The molecule is a sphingomyelin 34:0 in which the N-acyl group and sphingoid base are specified as hexadecanoyl and phytosphingosine respectively. It is a sphingomyelin 34:0 and a N-acylphytosphingosine-1-phosphocholine. It derives from a hexadecanoic acid and a phytosphingosine.
[(2S,3S,4R)-2-(hexadecanoylamino)-3,4-dihydroxyoctadecyl] 2-(trimethylazaniumyl)ethyl phosphate