英文别名1-PHENETHYLAMINOCARBONYL-3-ETHYL-4-METHYL-2,5-DIHYDRO-5-PYRROLONE; 4-[2-[(3-Ethyl-4-methyl-2-oxo-3-pyrrolin-1-yl)carboxamido]ethyl]benzene; 3-ethyl-4-Methyl-2-oxo-N-phenethyl-2,5-dihydro-1H-pyrrole-1-carboxamide; Glimepiride Phenylethyl Impurity; Glimepiride Impurity 12