6-methyl-7-oxo-8-(1-D-ribityl)lumazine (2-oxo tautomer)(1-)
6-methyl-7-oxo-8-(1-d-ribityl)lumazine (2-oxo tautomer)(1-)
The anion formed from 6-methyl-7-oxo-8-(1-<small>D</small>-ribityl)lumazine by removal of a proton from the nitrogen at position 3 (i.e. between the oxo groups). It is the major species at physiological pH.