The molecule is an N-acylsphingosine 1-phosphate(2-) in which the N-acyl group is specified as oleoyl; major species at pH 7.3. It is a conjugate base of a N-oleoylsphingosine 1-phosphate.
[(E,2S,3R)-3-hydroxy-2-[[(Z)-octadec-9-enoyl]amino]octadec-4-enyl] phosphate