The molecule is a phosphatidylcholine 40:4 in which the acyl groups specified at positions 1 and 2 are (7Z,10Z,13Z,16Z)-docosatetraenoyl and octadecanoyl respectively. It derives from an all-cis-docosa-7,10,13,16-tetraenoic acid and an octadecanoic acid.
[(2R)-3-[(7Z,10Z,13Z,16Z)-docosa-7,10,13,16-tetraenoyl]oxy-2-octadecanoyloxypropyl] 2-(trimethylazaniumyl)ethyl phosphate