The molecule is a 2-acyl-sn-glycero-3-phosphoserine in which the 2-acyl group is specified as arachidonoyl. It derives from an arachidonic acid. It is a conjugate acid of a 2-arachidonoyl-sn-glycero-3-phospho-L-serine(1-).
(2S)-2-amino-3-[hydroxy-[(2R)-3-hydroxy-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]oxypropoxy]phosphoryl]oxypropanoic acid