Term Name:	nicotine blue(2-)
Synonyms:	(5E)-6-hydroxy-5-(2-hydroxy-5-oxido-6-oxopyridin-3(6H)-ylidene)-2-oxo-2,5-dihydropyridin-3-olate, (E)-2,2',5,5'-tetrahydroxy-6H,6'H-(3,3'-bipyridinylidene)-6,6'-dione, nicotine blue
Definition:	An organic anion obtained by selective deprotonation of the hydroxy groups at positions 2 and 2' of nicotine blue; major species at pH 7.3 (according to Marvin v 6.2.0.).
Ontology:	ChEBI [CHEBI:64998]  ( EBI )