SMILES: CC(C)CCCCCCCCCC[C@H]([C@H]([C@H](CO)[NH3+])O)O
Description: The molecule is a cationic sphingoid that is the conjugate acid of 4-hydroxy-15-methylhexadecasphinganine, obtained by protonation of the amino group; major species at pH 7.3. It is a conjugate acid of a 15-methylhexadecaphytosphingosine.