2''-O-carbamylnovobiocin

N-[7-[(2-O,3-O-Dicarbamoyl-4-O,5-C-dimethyl-6-deoxy-β-L-lyxo-hexopyranosyl)oxy]-4-hydroxy-8-methyl-2-oxo-2H-1-benzopyran-3-yl]-4-hydroxy-3-(3-methyl-2-butenyl)benzamide