The molecule is an organic anion obtained by selective deprotonation of the 4-hydroxy group on the chromene ring of 8-desmethylnovobiocic acid. It is a conjugate base of an 8-desmethylnovobiocic acid.
7-hydroxy-3-[[4-hydroxy-3-(3-methylbut-2-enyl)benzoyl]amino]-2-oxochromen-4-olate