英文别名2H-Pyrrol-2-one, 1-acetyl-3-ethyl-1,5-dihydro-4-methyl-; Glimepiride Impurity 45; 1-Acetyl-3-ethyl-4-methyl-1,5-dihydro-2h-pyrrol-2-one; 1-acetyl-4-ethyl-3-methyl-2H-pyrrol-5-one; 1-Acetyl-3-aethyl-4-methyl-1,5-dihydro-pyrrol-2-on; 1-acetyl-3-ethyl-4-methyl-1,5-dihydro-pyrrol-2-one 
