1-0-octadecyl-2-butyryl-sn-glycero-3-phosphocholine

C18-04:0 PC, also called as 1-O-octadecyl-2-butyryl-sn-glycero-3-phosphocholine, belongs to a class of bioactive lipids. Its structure contains ether-linked octadecyl chain at the sn-1 position and a butyryl group at the sn-2 position.