Term Name:	C17 sphingosine(1+)
Synonyms:	(2S,3R,4E)-1,3-dihydroxyheptadec-4-en-2-aminium, heptadecasphing-4-enine
Definition:	A cationic sphingoid that is the conjugate acid of C17 sphingosine, obtained by protonation of the primary amino function; major species at pH 7.3.
Ontology:	ChEBI [CHEBI:74166]  ( EBI )