The molecule is 1,2-diacyl-sn-glycero-3-phosphoethanolamine in which the acyl groups at positions 1 and 2 are both specified as heptadecanoyl. It derives from a heptadecanoic acid. It is a tautomer of a 1,2-diheptadecanoyl-sn-glycero-3-phosphoethanolamine zwitterion.
[(2R)-3-[2-aminoethoxy(hydroxy)phosphoryl]oxy-2-heptadecanoyloxypropyl] heptadecanoate