The molecule is an N-acyl-1-O-beta-D-glucosyl-15-methylhexadecasphing-4-enine in which the acyl group has 25 carbons and 0 double bonds. It derives from a 15-methylhexadecasphing-4-enine.
N-[(E,2S,3R)-3-hydroxy-15-methyl-1-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexadec-4-en-2-yl]pentacosanamide