Similar names: Azathioprine; 6-[(1-Methyl-4-nitro-1H-imidazol-5-yl)sulfanyl]-7H-purine; 9H-Purine, 6-[(1-methyl-4-nitro-1H-imidazol-5-yl)thio]-; 1H-Purine, 6-[(1-methyl-4-nitro-1H-imidazol-5-yl)thio]-; Purine, 6-[(1-methyl-4-nitroimidazol-5-yl)thio]-; 6-(1-Methyl-4-nitroimidazol-5-yl)thiopurine; 6-(1-Methyl-4-nitromidazol-5-ylthio)purine; Azamune; Azanin; Azathioprin; Azathioprine; Azathropine; Azoran; Azothioprine; BW 57-322; Imuran; Imurek; Imurel; Muran; NSC 39084