(RS)-5-tert-Butyl-2-(1-methyl-5-nitro-2-imidazolyl)salicylalkohol 91017-58-2 Abunidazol Abunidazole Abunidazole [INN] Abunidazolum alpha-(5-tert-Butyl-2-hydroxyphenyl)-1-methyl-5-nitroimidazole-2-methanol