The molecule is a 1-O-(alk-1-enyl)-2-O-acyl-sn-glycero-3-phosphocholine in which the alk-1-enyl and acyl groups are specified as (1Z)-hexadecenyl and arachidonoyl respectively. It derives from an arachidonic acid.
[(2R)-3-[(Z)-hexadec-1-enoxy]-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate