英文别名Metronidazole impurity 1; 5-Nitro-1H-imidazole-1-ethanol; Metronidazole impurity D (EP); 2-(5-nitro-1H-imidazol-1-yl)ethan-1-ol; Metronidazole Impurity 4(Metronidazole EP Impurity D); 1-(2-Hydroxyethyl)-5-nitroimidazole; Metronidazole EP Impurity D; 2-(5-nitroimidazol-1-yl)ethanol; 1H-Imidazole-1-ethanol,5-nitro; 2-(5-NITRO-1-IMIDAZOLYL)-1-ETHANOL