The molecule is a phosphatidylcholine 36:1 in which the phosphatidyl acyl groups at positions 1 and 2 are stearoyl and oleoyl respectively. It is a 1-octadecanoyl-2-octadecenoyl-sn-glycero-3-phosphocholine and a 1-acyl-2-oleoyl-sn-glycero-3-phosphocholine betaine. It is a conjugate base of a 1-stearoyl-2-oleoyl-sn-glycero-3-phosphocholine(1+).
[(2R)-3-octadecanoyloxy-2-[(Z)-octadec-9-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate