1-acyl-2-(alk-1-enyl)-sn-glycero-3-phosphocholine PC(14:1(9Z)/P-16:0) 1-(9Z-tetradecenoyl)-2-(1Z-hexadecenyl)-glycero-3-phosphocholine 687.520 687.972 C38H74NO7P CHEBI:137276 InChI=1S/C38H74NO7P/c1-6-8-10-12-14-16-18-19-20-22-24-26-28-30-33-43-37(36-46-47(41,42)45-34-32-39(3,4)5)35-44-38(40)31-29-27-25-23-21-17-15-13-11-9-7-2/h13,15,30,33,37H,6-12,14,16-29,31-32,34-36H2,1-5H3/b15-13-,33-30-/t37-/m1/s1 RGNREBXBINFRJY-MWXRYAQWSA-N [C@](COC(=O)CCCCCCC/C=C\CCCC)(O/C=C\CCCCCCCCCCCCCC)([H])COP(OCC[N+](C)(C)C)([O-])=O chebi_ontology