1-t-Butylamino-3-(2-nitrilophenoxy)-2-propanol hydrochloride 2-(3-tert-Butylamino-2-hydroxypropoxy)benzonitrile hydrochloride 23093-74-5 BENZONITRILE, o-(3-(tert-BUTYLAMINO)-2-HYDROXYPROPOXY)-, MONOHYDROCHLORIDE Benzonitrile, 2-(3-((1,1-dimethylethyl)amino)-2-hydroxypropoxy)-, hydrochloride Betrilol Bunitrolol hydrochloride EINECS 245-427-5 KO 1366 Stresson o-(2-Hydroxy-3-(tert-butylamino)propoxy)benzonitrile hydrochloride o-(3-tert-Butylamino-2-hydroxypropoxy)benzonitrile hydrochloride