Synonyms: Pyrrole-2-carboxylicacid, 4-ethyl-3,5-dimethyl-, ethyl ester (6CI,7CI,8CI);4-Ethyl-3,5-dimethyl-1H-pyrrole-2-carboxylicacid ethyl ester;Ethyl 4-ethyl-3,5-dimethyl-1H-pyrrole-2-carboxylate;Ethyl4-ethyl-3,5-dimethylpyrrole-2-carboxylate;NSC 22702;