The molecule is a 1,2-diacyl-sn-glycero-3-phosphoethanolamine in which the acyl groups at positions 1 and 2 are specified as heptadecanoyl and arachidonoyl respectively. It derives from a heptadecanoic acid and an arachidonic acid. It is a tautomer of a 1-heptadecanoyl-2-arachidonoyl-sn-glycero-3-phosphoethanolamine zwitterion.
[(2R)-1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-heptadecanoyloxypropan-2-yl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate