The molecule is an organic anion obtained by selective deprotonation of the 4-hydroxy group on the chromene ring of descarbamoylnovobiocin. It is a conjugate base of a descarbamoylnovobiocin.
7-[(2R,3R,4S,5R)-3,4-dihydroxy-5-methoxy-6,6-dimethyloxan-2-yl]oxy-3-[[4-hydroxy-3-(3-methylbut-2-enyl)benzoyl]amino]-8-methyl-2-oxochromen-4-olate