SMILES: CCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](COP(=O)([O-])OCC[N+](C)(C)C)[C@@H]([C@@H](CCCCCCCCCCC(C)C)O)O
Description: The molecule is an N-acyl-4-hydroxy-15-methylhexadecasphinganine-1-phosphocholine in which the acyl group has 21 carbons and 0 double bonds. It derives from a 15-methylhexadecaphytosphingosine.