Synonyms: 2-Methyl-4-nitroimidazole, 2-Methyl-5-nitroimidazole, 2-Methyl-5-nitro-1H-imidazole, Metronidazole Benzoate Imp. B (EP), Tinidazole Imp. A (EP), Metronidazole Imp. A (EP), 1H-Imidazole, 2-methyl-5-nitro-, 1H-Imidazole, 2-methyl-4-nitro- (9CI), Imidazole, 2-methyl-4(or 5)-nitro- (7CI), Imidazole, 2-methyl-4-nitro- (8CI), 2-Methyl-4-nitro-1H-imidazole, 4-Nitro-2-methylimidazole, L 581490, Menidazole, RP 8532