| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2017-09-09 03:12:55 UTC |
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| Update Date | 2022-11-30 19:25:59 UTC |
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| HMDB ID | HMDB0114966 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(18:2(9Z,12Z)/22:2(13Z,16Z)) |
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| Description | PA(18:2(9Z,12Z)/22:2(13Z,16Z)) is a phosphatidic acid. It is a glycerophospholipid in which a phosphate moiety occupies a glycerol substitution site. As is the case with diacylglycerols, phosphatidic acids can have many different combinations of fatty acids of varying lengths and saturation attached at the C-1 and C-2 positions. Fatty acids containing 16, 18 and 20 carbons are the most common. PA(18:2(9Z,12Z)/22:2(13Z,16Z)), in particular, consists of one chain of linoleic acid at the C-1 position and one chain of docosadienoic acid at the C-2 position. Phosphatidic acids are quite rare but are extremely important as intermediates in the biosynthesis of triacylglycerols and phospholipids. |
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| Structure | [H][C@@](COC(=O)CCCCCCC\C=C/C\C=C/CCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCC\C=C/C\C=C/CCCCC InChI=1S/C43H77O8P/c1-3-5-7-9-11-13-15-17-19-20-21-22-24-26-28-30-32-34-36-38-43(45)51-41(40-50-52(46,47)48)39-49-42(44)37-35-33-31-29-27-25-23-18-16-14-12-10-8-6-4-2/h11-14,17-19,23,41H,3-10,15-16,20-22,24-40H2,1-2H3,(H2,46,47,48)/b13-11-,14-12-,19-17-,23-18-/t41-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Linoleoyl-2-docosadienoyl-sn-glycero-3-phosphate | HMDB | | 1-Linoleoyl-2-docosadienoyl-sn-phosphatidic acid | HMDB | | PA(18:2/22:2) | HMDB | | PA(18:2N6/22:2N6) | HMDB | | PA(18:2W6/22:2W6) | HMDB | | PA(40:4) | HMDB | | Phosphatidic acid(18:2(9Z,12Z)/22:2(13Z,16Z)) | HMDB | | Phosphatidic acid(18:2/22:2) | HMDB | | Phosphatidic acid(18:2n6/22:2n6) | HMDB | | Phosphatidic acid(18:2W6/22:2W6) | HMDB | | Phosphatidic acid(40:4) | HMDB | | Phosphatidate(18:2(9Z,12Z)/22:2(13Z,16Z)) | HMDB | | Phosphatidate(18:2/22:2) | HMDB | | Phosphatidate(18:2N6/22:2N6) | HMDB | | Phosphatidate(18:2W6/22:2W6) | HMDB | | Phosphatidate(40:4) | HMDB | | 1-linoleoyl-2-docosadienoyl-sn-glycero-3-phosphate | SMPDB, HMDB | | 1-linoleoyl-2-docosadienoyl-sn-phosphatidic acid | SMPDB, HMDB | | PA(18:2/22:2) | SMPDB, HMDB | | PA(18:2n6/22:2n6) | SMPDB, HMDB | | PA(18:2w6/22:2w6) | SMPDB, HMDB | | PA(40:4) | SMPDB, HMDB | | Phosphatidic acid(18:2(9Z,12Z)/22:2(13Z,16Z)) | SMPDB, HMDB | | Phosphatidic acid(18:2/22:2) | SMPDB, HMDB | | Phosphatidic acid(18:2n6/22:2n6) | SMPDB, HMDB | | Phosphatidic acid(18:2w6/22:2w6) | SMPDB, HMDB | | Phosphatidic acid(40:4) | SMPDB, HMDB | | Phosphatidate(18:2(9Z,12Z)/22:2(13Z,16Z)) | SMPDB, HMDB | | Phosphatidate(18:2/22:2) | SMPDB, HMDB | | Phosphatidate(18:2n6/22:2n6) | SMPDB, HMDB | | Phosphatidate(18:2w6/22:2w6) | SMPDB, HMDB | | PA(18:2(9Z,12Z)/22:2(13Z,16Z)) | SMPDB |
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| Chemical Formula | C43H77O8P |
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| Average Molecular Weight | 753.055 |
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| Monoisotopic Molecular Weight | 752.535606437 |
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| IUPAC Name | [(2R)-2-[(13Z,16Z)-docosa-13,16-dienoyloxy]-3-[(9Z,12Z)-octadeca-9,12-dienoyloxy]propoxy]phosphonic acid |
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| Traditional Name | (2R)-2-[(13Z,16Z)-docosa-13,16-dienoyloxy]-3-[(9Z,12Z)-octadeca-9,12-dienoyloxy]propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCCCCC\C=C/C\C=C/CCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCC\C=C/C\C=C/CCCCC |
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| InChI Identifier | InChI=1S/C43H77O8P/c1-3-5-7-9-11-13-15-17-19-20-21-22-24-26-28-30-32-34-36-38-43(45)51-41(40-50-52(46,47)48)39-49-42(44)37-35-33-31-29-27-25-23-18-16-14-12-10-8-6-4-2/h11-14,17-19,23,41H,3-10,15-16,20-22,24-40H2,1-2H3,(H2,46,47,48)/b13-11-,14-12-,19-17-,23-18-/t41-/m1/s1 |
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| InChI Key | BYVBQJMZJNXGIF-YACFQLQNSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as 1,2-diacylglycerol-3-phosphates. These are glycerol-3-phosphates in which the glycerol moiety is bonded to two aliphatic chains through ester linkages. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Glycerophospholipids |
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| Sub Class | Glycerophosphates |
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| Direct Parent | 1,2-diacylglycerol-3-phosphates |
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| Alternative Parents | |
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| Substituents | - 1,2-diacylglycerol-3-phosphate
- Fatty acid ester
- Monoalkyl phosphate
- Dicarboxylic acid or derivatives
- Fatty acyl
- Alkyl phosphate
- Phosphoric acid ester
- Organic phosphoric acid derivative
- Carboxylic acid ester
- Carboxylic acid derivative
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- Carbonyl group
- Organooxygen compound
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Naturally occurring processBiological processBiochemical pathwayMetabolic pathway- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/24:0) (PathBank: SMP0075588)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/24:1(15Z)) (PathBank: SMP0075589)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0090859)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/22:5(4Z,7Z,10Z,13Z,16Z)) (PathBank: SMP0075585)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/22:2(13Z,16Z)) (PathBank: SMP0090855)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/22:4(7Z,10Z,13Z,16Z)) (PathBank: SMP0075584)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0066832)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/18:2(9Z,12Z)) (PathBank: SMP0024316)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/18:3(6Z,9Z,12Z)) (PathBank: SMP0024317)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0024318)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/18:3(9Z,12Z,15Z)) (PathBank: SMP0024322)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/18:4(6Z,9Z,12Z,15Z)) (PathBank: SMP0024323)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0024324)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0024325)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/20:2(11Z,14Z)) (PathBank: SMP0033285)
- De Novo Triacylglycerol Biosynthesis TG(18:2(9Z,12Z)/22:2(13Z,16Z)/20:3(8Z,11Z,14Z)) (PathBank: SMP0033286)
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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. | 7.18 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 38.5902 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.0 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5502.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 596.6 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 374.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 306.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1209.1 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 2009.8 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 | 1304.6 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 247.2 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3940.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1248.1 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 | 3044.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1481.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 785.2 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 575.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 923.1 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 | 11.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(18:2(9Z,12Z)/22:2(13Z,16Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC/C=C\C/C=C\CCCCC)COP(=O)(O)O[Si](C)(C)C | 5349.2 | Semi standard non polar | 33892256 | | PA(18:2(9Z,12Z)/22:2(13Z,16Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC/C=C\C/C=C\CCCCC)COP(=O)(O)O[Si](C)(C)C | 4687.3 | Standard non polar | 33892256 | | PA(18:2(9Z,12Z)/22:2(13Z,16Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC/C=C\C/C=C\CCCCC)COP(=O)(O)O[Si](C)(C)C | 5808.1 | Standard polar | 33892256 | | PA(18:2(9Z,12Z)/22:2(13Z,16Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC/C=C\C/C=C\CCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5317.9 | Semi standard non polar | 33892256 | | PA(18:2(9Z,12Z)/22:2(13Z,16Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC/C=C\C/C=C\CCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4650.7 | Standard non polar | 33892256 | | PA(18:2(9Z,12Z)/22:2(13Z,16Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC/C=C\C/C=C\CCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5056.8 | Standard polar | 33892256 | | PA(18:2(9Z,12Z)/22:2(13Z,16Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC/C=C\C/C=C\CCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5573.6 | Semi standard non polar | 33892256 | | PA(18:2(9Z,12Z)/22:2(13Z,16Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC/C=C\C/C=C\CCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4778.0 | Standard non polar | 33892256 | | PA(18:2(9Z,12Z)/22:2(13Z,16Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC/C=C\C/C=C\CCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5788.9 | Standard polar | 33892256 |
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| 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 - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 10V, Positive-QTOF | splash10-0i09-1179803700-4e8c9cf02f97a59d91c9 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 20V, Positive-QTOF | splash10-0301-3289403100-c1325616b8ec7a98539d | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 40V, Positive-QTOF | splash10-00dr-1189024000-081109e2559aaa3ce42f | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 10V, Negative-QTOF | splash10-01t9-4093300200-2113c7bc0c8d588bf356 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 20V, Negative-QTOF | splash10-004i-9050000000-fa53c92e5a1bae587fa9 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 40V, Negative-QTOF | splash10-004i-9000000000-f0af2f415e4929098d5f | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 10V, Positive-QTOF | splash10-004i-0000000900-02cf947cba8282294585 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 20V, Positive-QTOF | splash10-004i-0000009900-b6a834ad91359eb11884 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 40V, Positive-QTOF | splash10-004s-0000922400-630394f363e76db4cfdb | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 10V, Negative-QTOF | splash10-0udi-0000000900-e8a2290e8255e37d1996 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 20V, Negative-QTOF | splash10-0v70-0033900400-b0bfda798370bddc2796 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 40V, Negative-QTOF | splash10-004r-1196600100-2e760db71c955259e356 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 10V, Positive-QTOF | splash10-0f79-0000000900-115cf847b0b45deff91d | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 20V, Positive-QTOF | splash10-0zfr-0000005900-3ecaea0650a91ae05061 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/22:2(13Z,16Z)) 40V, Positive-QTOF | splash10-0avi-0000906200-b14e08dc3dff60d0b70d | 2021-09-24 | Wishart Lab | View Spectrum |
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