The molecule is a 1,2-diacyl-sn-glycero-3-phosphocholine having palmitoyl and glutaroyl groups at positions 1 and 2 respectively. It is a conjugate acid of a 2-O-glutaroyl-1-O-palmitoyl-sn-glycero-3-phosphocholine(1-).
[(2R)-2-(4-carboxybutanoyloxy)-3-hexadecanoyloxypropyl] 2-(trimethylazaniumyl)ethyl phosphate