The molecule is a 1-O-acyl-N-acylsphingosine in which the N- and O-acyl groups are specified as acetyl and arachidonoyl respectively. It derives from a N-acetylsphingosine and an arachidonic acid.
[(E,2S,3R)-2-acetamido-3-hydroxyoctadec-4-enyl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate