The molecule is a 2-acyl-1-alkyl-sn-glycero-3-phosphocholine in which the alkyl and the acyl groups at positions 1 and 2 are hexadecyl and butanoyl respectively. It is a 2-acyl-1-alkyl-sn-glycero-3-phosphocholine and a butyrate ester.
[(2R)-2-butanoyloxy-3-hexadecoxypropyl] 2-(trimethylazaniumyl)ethyl phosphate