英文别名1-Methyl-4-nitro-5-thioimidazole; 3-methyl-5-nitroimidazole-4-thiol; 3-methyl-5-nitro-3H-imidazole-4-thiol; 5-Mercapto-1-methyl-4-nitroimidazole; 5-Mercapto-1-methyl-4-nitro-imidazol; 1-methyl-4-nitro-5-mercaptoimidazole; 1-methyl-4-nitroimidazole-5-thiol; 1-Methyl-4-nitro-5-imidazolethiol; 4-Nitro-5-mercapto-1-methyl-imidazol; Azathioprine EP Impurity D; Azathioprine impurity D; Azathioprine Impurity 4（Azathioprine EP Impurity D）; Azathioprine BP Impurity D; 1H-Imidazole-5-thiol, 1-methyl-4-nitro- 
