1H-Pyrrole-2-carboxylic acid, 5-methyl-, diester with N,N'-bis[7-[(6-deoxy-5-C-methyl-4-O-methyl-.alpha.-L-lyxo-hexopyranosyl)oxy]-4-hydroxy-8-methyl-2-oxo-2H-1-benzopyran-3-yl]-3-methyl-1H-pyrrole-2,4-dicarboxamide 4434-05-3 Coumamycin Coumermycin Coumermycin A1 NSC107412 Notomycin Notomycin A1 Pyrrole-2-carboxylic acid, 5-methyl-, diester with 3,3'-[(3-methylpyrrole-2,4-diyl)bis(carbonylimino)]bis[7-[(5,5-di-C-methyl-4-O-methyl-.alpha.-L-lyxopyranosyl)oxy]-4-hydroxy-8-methylcoumarin] Sugordomycin D-la