Knorr's pyrrole, 3,5-dimethylpyrrole-2,4-dicarboxylic acid diethyl ester, 3,5-Dimethyl-2,4-pyrroledicarboxylic Acid Diethyl Ester, 2,4-Dimethyl-3,5-dicarbethoxypyrrole, Diethyl 3,5-Dimethyl-2,4-pyrroledicarboxylate, 3,5-Dimethyl-1H-pyrrole-2,4-dicarboxylic acid diethyl ester, 2,4-Dimethyl-3,5-diethoxycarbonyl-pyrrole, Diethyl 3,5-dimethylpyrrole-2,4-dicarboxylate, 3,5-dimethyl-1H-pyrrole-2,4-dicarboxylate diethyl ester, Diethyl 2,4-Dimethyl-Pyrrol-3,5-Dicarboxylate, 1H-Pyrrole-2,4-dicarboxylic acid, 3,5-dimethyl-, diethyl ester, diethyl 3,5-dimethyl-1H-pyrrole-2,4-dicarboxylate, Diethyl 2,4-Dimethylpyrrole-3,5-Dicarbonate, RARECHEM AL BI 0939