The molecule is a dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of (1R,10aS)-1,4,10,10a-tetrahydrophenazine-1,6-dicarboxylic acid; major species at pH 7.3. It is a conjugate base of a (1R,10aS)-1,4,10,10a-tetrahydrophenazine-1,6-dicarboxylic acid.
(1R,10aS)-1,4,10,10a-tetrahydrophenazine-1,6-dicarboxylate