| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2006-08-13 12:58:42 UTC |
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| Update Date | 2023-02-21 17:16:56 UTC |
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| HMDB ID | HMDB0004145 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | BOX B |
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| Description | BOX B is produced by bilirubin oxidation, a heme-derived compound. BOXes are produced as a mixture of isomers, and may be involved in cerebral vasospasm. BOXes are subject of interest in the neurosurgical and neurological fields because of their correlation with and/or role in subarachnoid hemorrhage induced cerebral vasospasm. Subarachnoid hemorrhage (SAH) induces cerebral vasospasm that can lead to ischemic injury or death and is a common complication of SAH. BOX B can be found in cerebrospinal fluid in SAH. (PMID: 17981669 ). |
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| Structure | CC1=C(C=C)C(=O)N\C1=C/C(N)=O InChI=1S/C9H10N2O2/c1-3-6-5(2)7(4-8(10)12)11-9(6)13/h3-4H,1H2,2H3,(H2,10,12)(H,11,13)/b7-4- |
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| Synonyms | | Value | Source |
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| 2-(4-Ethenyl-1,5-dihydro-3-methyl-5-oxo-2H-pyrrol-2-ylidene)-acetamide | HMDB | | 3-Methyl-5-oxo-4-vinyl- (1,5-dihydropyrrol-2-ylidene)acetamide | HMDB | | 2-[(2Z)-4-Ethenyl-5-hydroxy-3-methyl-2H-pyrrol-2-ylidene]ethanimidate | Generator, HMDB |
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| Chemical Formula | C9H10N2O2 |
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| Average Molecular Weight | 178.1879 |
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| Monoisotopic Molecular Weight | 178.074227574 |
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| IUPAC Name | 2-[(2Z)-4-ethenyl-3-methyl-5-oxo-2,5-dihydro-1H-pyrrol-2-ylidene]acetamide |
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| Traditional Name | 2-[(2Z)-4-ethenyl-3-methyl-5-oxo-1H-pyrrol-2-ylidene]acetamide |
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| CAS Registry Number | 329314-75-2 |
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| SMILES | CC1=C(C=C)C(=O)N\C1=C/C(N)=O |
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| InChI Identifier | InChI=1S/C9H10N2O2/c1-3-6-5(2)7(4-8(10)12)11-9(6)13/h3-4H,1H2,2H3,(H2,10,12)(H,11,13)/b7-4- |
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| InChI Key | JJDLLVZMTMEVBY-DAXSKMNVSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as pyrrolines. Pyrrolines are compounds containing a pyrroline ring, which is a five-member unsaturated aliphatic ring with one nitrogen atom and four carbon atoms. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Pyrrolines |
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| Sub Class | Not Available |
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| Direct Parent | Pyrrolines |
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| Alternative Parents | |
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| Substituents | - Pyrroline
- Vinylogous amide
- Carboxamide group
- Lactam
- Primary carboxylic acid amide
- Secondary carboxylic acid amide
- Carboxylic acid derivative
- Azacycle
- Organic oxygen compound
- Organic nitrogen compound
- Organooxygen compound
- Organonitrogen compound
- Carbonyl group
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Aliphatic heteromonocyclic compound
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| Molecular Framework | Aliphatic heteromonocyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 3.2 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.9284 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.01 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 35.0 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1539.4 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 328.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 108.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 207.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 76.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 298.7 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 464.0 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 89.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 841.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 313.3 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1132.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 258.5 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 287.8 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 466.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 261.8 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 70.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| BOX B,1TMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)NC1=O | 2088.8 | Semi standard non polar | 33892256 | | BOX B,1TMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)NC1=O | 2019.7 | Standard non polar | 33892256 | | BOX B,1TMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)NC1=O | 3040.9 | Standard polar | 33892256 | | BOX B,1TMS,isomer #2 | C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C)C1=O | 2036.4 | Semi standard non polar | 33892256 | | BOX B,1TMS,isomer #2 | C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C)C1=O | 1762.4 | Standard non polar | 33892256 | | BOX B,1TMS,isomer #2 | C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C)C1=O | 2860.2 | Standard polar | 33892256 | | BOX B,2TMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)NC1=O | 2219.9 | Semi standard non polar | 33892256 | | BOX B,2TMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)NC1=O | 2139.7 | Standard non polar | 33892256 | | BOX B,2TMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)NC1=O | 2916.2 | Standard polar | 33892256 | | BOX B,2TMS,isomer #2 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)N([Si](C)(C)C)C1=O | 2075.0 | Semi standard non polar | 33892256 | | BOX B,2TMS,isomer #2 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)N([Si](C)(C)C)C1=O | 1945.2 | Standard non polar | 33892256 | | BOX B,2TMS,isomer #2 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)N([Si](C)(C)C)C1=O | 2424.9 | Standard polar | 33892256 | | BOX B,3TMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)N([Si](C)(C)C)C1=O | 2119.8 | Semi standard non polar | 33892256 | | BOX B,3TMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)N([Si](C)(C)C)C1=O | 2020.8 | Standard non polar | 33892256 | | BOX B,3TMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)N([Si](C)(C)C)C1=O | 2304.9 | Standard polar | 33892256 | | BOX B,1TBDMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)NC1=O | 2321.4 | Semi standard non polar | 33892256 | | BOX B,1TBDMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)NC1=O | 2260.1 | Standard non polar | 33892256 | | BOX B,1TBDMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)NC1=O | 3045.3 | Standard polar | 33892256 | | BOX B,1TBDMS,isomer #2 | C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C(C)(C)C)C1=O | 2298.3 | Semi standard non polar | 33892256 | | BOX B,1TBDMS,isomer #2 | C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C(C)(C)C)C1=O | 1962.4 | Standard non polar | 33892256 | | BOX B,1TBDMS,isomer #2 | C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C(C)(C)C)C1=O | 2883.6 | Standard polar | 33892256 | | BOX B,2TBDMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)NC1=O | 2618.9 | Semi standard non polar | 33892256 | | BOX B,2TBDMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)NC1=O | 2526.5 | Standard non polar | 33892256 | | BOX B,2TBDMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)NC1=O | 2957.7 | Standard polar | 33892256 | | BOX B,2TBDMS,isomer #2 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O | 2517.6 | Semi standard non polar | 33892256 | | BOX B,2TBDMS,isomer #2 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O | 2316.9 | Standard non polar | 33892256 | | BOX B,2TBDMS,isomer #2 | C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O | 2513.9 | Standard polar | 33892256 | | BOX B,3TBDMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O | 2761.5 | Semi standard non polar | 33892256 | | BOX B,3TBDMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O | 2576.9 | Standard non polar | 33892256 | | BOX B,3TBDMS,isomer #1 | C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O | 2536.4 | Standard polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - BOX B GC-MS (Non-derivatized) - 70eV, Positive | splash10-0400-4900000000-c1366f5209cffc053b5e | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - BOX B GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 10V, Positive-QTOF | splash10-03fr-0900000000-85fad0e47305eb3c531a | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 20V, Positive-QTOF | splash10-03di-1900000000-2659cd347d73cc48d1d8 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 40V, Positive-QTOF | splash10-014i-9100000000-7cb6476a27b464ddba9b | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 10V, Negative-QTOF | splash10-004i-0900000000-3609e056fe28b3ba21c5 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 20V, Negative-QTOF | splash10-002f-5900000000-227f05e5a598f7b90260 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 40V, Negative-QTOF | splash10-0006-9000000000-8a484129caa93e901d50 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 10V, Positive-QTOF | splash10-01u0-0900000000-daa225a0c0291b0f07c8 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 20V, Positive-QTOF | splash10-03e9-3900000000-a4ba9f03bc7ddd85235e | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 40V, Positive-QTOF | splash10-00kf-9200000000-01df55e78f84a12e9246 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 10V, Negative-QTOF | splash10-001i-0900000000-bfdf4900a6655ee50219 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 20V, Negative-QTOF | splash10-005c-4900000000-52986e9c0ff2d8a70ed3 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - BOX B 40V, Negative-QTOF | splash10-0006-9000000000-b1c13bace664aa7ddc69 | 2021-09-22 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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