PC(O-18:1(11Z)/0:0) 1-(11Z-octadecenyl)-sn-glycero-3-phosphocholine 507.369 507.685 C26H54NO6P CHEBI:136371 HEEMBWYZIJABCR-ZXAYODBVSA-N InChI=1S/C26H54NO6P/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-22-31-24-26(28)25-33-34(29,30)32-23-21-27(2,3)4/h10-11,26,28H,5-9,12-25H2,1-4H3/b11-10-/t26-/m1/s1 LIPID_MAPS_instance:LMGP01060034 [C@](COCCCCCCCCCC/C=C\CCCCCC)(O)([H])COP(OCC[N+](C)(C)C)([O-])=O chebi_ontology lysophosphatidylcholine O-18:1