Term Name:	2-amino-6-(aminomethyl)-5-methylidene-4-oxo-1,4,5,6,7,8-hexahydropteridin-5-ium
Synonyms:	2-amino-6-(aminomethyl)-5-methylidene-4-oxo-1,4,5,6,7,8-hexahydropteridin-5-ium, methylenetetrahydromethanopterin
Definition:	An iminium ion with formula C8H13N6O, that is an intermediate in the biosynthesis of methanopterin by Methanocaldococcus jannaschii.
Ontology:	ChEBI [CHEBI:132440]  ( EBI )