Term Name:	4,21-dehydrogeissoschizine
Synonyms:	4,21-dehydrogeissoschizine, methyl (19E)-16-(hydroxymethylidene)-4,21-didehydrocoryn-19-en-4-ium-17-oate, methyl (19E)-16-(hydroxymethylidene)coryna-4(21),19-dien-4-ium-17-oate
Definition:	An indole alkaloid that is the enol tautomer of geissoschizine, which is also dehydrogenated at the 4,21-position.
Ontology:	ChEBI [CHEBI:17294]  ( EBI )