The molecule is a 1,2-diacyl-sn-glycero-3-phosphoethanolamine zwitterion in which the acyl groups at positions 1 and 2 are specified as heptadecanoyl and arachidonoyl respectively. It is a tautomer of a 1-heptadecanoyl-2-arachidonoyl-sn-glycero-3-phosphoethanolamine.
2-azaniumylethyl [(2R)-3-heptadecanoyloxy-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]oxypropyl] phosphate