145316-21-8 2-Imino-4-(1-hydroxy-1-methylethyl)-1,3-thiazono(2,3-b)benzimidazole hydrochloride 2H-(1,3)Thiazino(3,2-a)benzimidazole-4-methanol, alpha,alpha-dimethyl-2-imino-, monohydrochloride