The molecule is a phosphosphigolipid that is 15-methylhexadecasphing-4-enine bearing a single phospho substituent at position 1. It derives from a 15-methylhexadecasphing-4-enine. It is a conjugate acid of a 15-methylhexadecasphing-4-enine 1-phosphate(1-).
[(E,2S,3R)-2-amino-3-hydroxy-15-methylhexadec-4-enyl] dihydrogen phosphate