SMILES: CCCCCCCCCCCCCCC/C=C/[C@H]([C@H](CO)[NH3+])O
Description: The molecule is a cationic sphingoid that is the conjugate acid of C20 sphingosine, obtained by protonation of the primary amino function; major species at pH 7.3. It is a conjugate acid of a C20 sphingosine.