| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-11 22:21:31 UTC |
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| Update Date | 2023-02-21 17:25:35 UTC |
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| HMDB ID | HMDB0037115 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | (±)-2-Hydroxy-4-(methylthio)butanoic acid |
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| Description | (±)-2-Hydroxy-4-(methylthio)butanoic acid belongs to the class of organic compounds known as thia fatty acids. These are fatty acid derivatives obtained by insertion of a sulfur atom at specific positions in the chain. Based on a literature review a small amount of articles have been published on (±)-2-Hydroxy-4-(methylthio)butanoic acid. |
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| Structure | InChI=1S/C5H10O3S/c1-9-3-2-4(6)5(7)8/h4,6H,2-3H2,1H3,(H,7,8) |
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| Synonyms | | Value | Source |
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| (±)-2-hydroxy-4-(methylthio)butanoate | Generator | | (+-)-2-Hydroxy-4-(methylthio)butyric acid | HMDB | | 2-Hydroxy-4-(methylthio) butanoic acid | HMDB | | 2-Hydroxy-4-(methylthio)-butanoic acid | HMDB | | 2-Hydroxy-4-(methylthio)-butyric acid | HMDB | | 2-Hydroxy-4-(methylthio)butanoic acid | HMDB | | 2-Hydroxy-4-(methylthio)butyric acid | HMDB | | 4857-44-7 (Calcium[2:1] salt) | HMDB | | Alimet | HMDB, MeSH | | alpha-Hydroxy-gamma-(methylmercapto)butyric acid | HMDB | | alpha-Hydroxy-gamma-(methylthio)butyric acid | HMDB | | alpha-Hydroxy-gamma-methylmercaptobutyric acid | HMDB, MeSH | | Desmeninol | HMDB | | gamma-(methylthio)-alpha-Hydroxybutyric acid | HMDB | | Methionine hydroxy analog | HMDB, MeSH | | MHA | HMDB | | Mha acid | HMDB | | Mha-fa | HMDB | | (+-)-Isomer OF alpha-hydroxy-gamma-methylmercaptobutyric acid | MeSH, HMDB | | alpha-Hydroxy-gamma-methylmercaptobutyric acid, calcium salt(+-)-isomer | MeSH, HMDB | | 2-Hydroxy-4-methylthiobutanoic acid | MeSH, HMDB | | alpha-Hydroxy-gamma-methylmercaptobutyric acid, calcium salt | MeSH, HMDB | | 2-Hydroxy-4-methylthiobutyrate | MeSH, HMDB | | alpha-Hydroxy-gamma-methylmercaptobutyric acid, monosodium salt (S)-isomer | MeSH, HMDB | | alpha-Hydroxymethionine | MeSH, HMDB | | 4-methylthio-2-Hydroxybutyrate | MeSH, HMDB | | alpha-Hydroxy-gamma-methylmercaptobutyric acid, calcium salt (2:1) | MeSH, HMDB | | alpha-Hydroxy-gamma-methylmercaptobutyric acid, monosodium salt | MeSH, HMDB | | alpha-Hydroxy-gamma-methylthiobutyrate | MeSH, HMDB | | 2-Hydroxy-4-(methylthio)butanoate | Generator |
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| Chemical Formula | C5H10O3S |
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| Average Molecular Weight | 150.196 |
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| Monoisotopic Molecular Weight | 150.035064876 |
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| IUPAC Name | 2-hydroxy-4-(methylsulfanyl)butanoic acid |
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| Traditional Name | methionine hydroxy analog |
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| CAS Registry Number | 120-91-2 |
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| SMILES | CSCCC(O)C(O)=O |
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| InChI Identifier | InChI=1S/C5H10O3S/c1-9-3-2-4(6)5(7)8/h4,6H,2-3H2,1H3,(H,7,8) |
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| InChI Key | ONFOSYPQQXJWGS-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as thia fatty acids. These are fatty acid derivatives obtained by insertion of a sulfur atom at specific positions in the chain. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Fatty Acyls |
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| Sub Class | Fatty acids and conjugates |
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| Direct Parent | Thia fatty acids |
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| Alternative Parents | |
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| Substituents | - Hydroxy fatty acid
- Thia fatty acid
- Alpha-hydroxy acid
- Hydroxy acid
- Monosaccharide
- Secondary alcohol
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Dialkylthioether
- Sulfenyl compound
- Thioether
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- Carbonyl group
- Organooxygen compound
- Organosulfur compound
- Alcohol
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic 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 | |
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| Role | |
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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 | 250 °C | 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. | 2.83 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.4297 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.1 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 84.7 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1200.8 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 353.2 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 80.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 221.3 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 85.2 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 307.7 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 | 408.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 139.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 770.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 283.9 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 | 932.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 249.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 281.8 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 449.2 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 305.4 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 | 175.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| (??)-2-Hydroxy-4-(methylthio)butanoic acid,1TMS,isomer #1 | CSCCC(O[Si](C)(C)C)C(=O)O | 1415.7 | Semi standard non polar | 33892256 | | (??)-2-Hydroxy-4-(methylthio)butanoic acid,1TMS,isomer #2 | CSCCC(O)C(=O)O[Si](C)(C)C | 1363.7 | Semi standard non polar | 33892256 | | (??)-2-Hydroxy-4-(methylthio)butanoic acid,2TMS,isomer #1 | CSCCC(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1451.2 | Semi standard non polar | 33892256 | | (??)-2-Hydroxy-4-(methylthio)butanoic acid,1TBDMS,isomer #1 | CSCCC(O[Si](C)(C)C(C)(C)C)C(=O)O | 1651.1 | Semi standard non polar | 33892256 | | (??)-2-Hydroxy-4-(methylthio)butanoic acid,1TBDMS,isomer #2 | CSCCC(O)C(=O)O[Si](C)(C)C(C)(C)C | 1605.9 | Semi standard non polar | 33892256 | | (??)-2-Hydroxy-4-(methylthio)butanoic acid,2TBDMS,isomer #1 | CSCCC(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1907.7 | Semi standard non 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 - (±)-2-Hydroxy-4-(methylthio)butanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-08i3-9200000000-b3f347c37bb602b8bb45 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid GC-MS (2 TMS) - 70eV, Positive | splash10-00bi-9350000000-44bc7640c746eddc9889 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 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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| Experimental LC-MS/MS | LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 10V, Negative-QTOF | splash10-0002-9100000000-88410fbd7b98e54f151e | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 20V, Negative-QTOF | splash10-0002-9000000000-34be18dc4b552cce009e | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 40V, Negative-QTOF | splash10-0002-9000000000-ca06cb2a413f50f341e0 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 10V, Positive-QTOF | splash10-0ue9-1900000000-dd2e58391a4c5f61dcd5 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 20V, Positive-QTOF | splash10-056r-9700000000-8b98bae25421e4ce82fb | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 40V, Positive-QTOF | splash10-06vr-9000000000-7372f5d3aafd65f14b51 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 10V, Negative-QTOF | splash10-0002-7900000000-3be7113c98ed23388528 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 20V, Negative-QTOF | splash10-0002-9300000000-b2110ea4fabace846c65 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 40V, Negative-QTOF | splash10-0002-9000000000-860ffaaedb18b65817fd | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 10V, Negative-QTOF | splash10-0002-9000000000-e1d92d2a30bee517d754 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 20V, Negative-QTOF | splash10-0002-9000000000-e1d92d2a30bee517d754 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 40V, Negative-QTOF | splash10-0002-9000000000-e1d92d2a30bee517d754 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 10V, Positive-QTOF | splash10-0a59-6900000000-7ef5ccb88b6ef1b9a20d | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 20V, Positive-QTOF | splash10-03dr-9300000000-c248fe9ce5cc0b99282c | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)-2-Hydroxy-4-(methylthio)butanoic acid 40V, Positive-QTOF | splash10-03di-9000000000-9563ed6a85515f3e490e | 2021-09-23 | 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) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | 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]-) | 2023-02-04 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-04 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-04 | FELIX lab | View Spectrum |
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