834859-49-3

1H-Pyrrole-2,4-dicarboxylic acid,5-[[1,2-dihydro-6-methyl-2-oxo-5-(4-pyridinyl)-3H-pyrrolo[2,3-b]pyridin-3-ylidene]methyl]-3-methyl-, 2-ethyl 4-methyl ester