The molecule is a cationic sphingoid obtained by the protonation of the amino group of sphinga-4E,14Z-dienine; major species at pH 7.3. It is a conjugate acid of a sphinga-4E,14Z-dienine.
[(2S,3R,4E,14Z)-1,3-dihydroxyoctadeca-4,14-dien-2-yl]azanium