The molecule is a N-acyl-4-hydroxy-15-methylhexadecasphinganine in which the acyl group has 17 carbons and 0 double bonds and is 2-hydroxylated. It derives from a 15-methylhexadecaphytosphingosine.
2-hydroxy-N-[(2S,3S,4R)-1,3,4-trihydroxy-15-methylhexadecan-2-yl]heptadecanamide