SMILES: CCCCCCCCCCC/C=C/[C@H]([C@H](CO)[NH3+])O
Description: The molecule is a cationic sphingoid that is the conjugate acid of hexadecasphing-4-enine, obtained by protonation of the primary amino function; major species at pH 7.3. It is a conjugate acid of a hexadecasphing-4-enine.