The molecule is a 1,2-diacyl-sn-glycero-3-phosphocholine in which the phosphatidyl acyl groups at positions 1 and 2 are stearoyl and oleoyl respectively. It is a conjugate acid of a 1-stearoyl-2-oleoyl-sn-glycero-3-phosphocholine.
2-[hydroxy-[(2R)-3-octadecanoyloxy-2-[(Z)-octadec-9-enoyl]oxypropoxy]phosphoryl]oxyethyl-trimethylazanium