485-23-4 Benzamide, N-(4,7-dihydroxy-8-methyl-2-oxo-2H-1-benzopyran-3-yl)-4-hydroxy-3-(3-methyl-2-butenyl)- N-(4,7-Dihydroxy-8-methyl-2-oxo-2H-1-benzopyran-3-yl)-4-hydroxy-3-(3-methyl-2-butenyl)benzamide Novobiocic acid