83263-76-7 83855-52-1 BL 245 CARBAMIC ACID, (4-(3-((1,1-DIMETHYLETHYL)AMINO)-2-HYDROXYPROPOXY)PHENYL)-, ETHYL Carbamic acid, (4-(3-((1,1-dimethylethyl)amino)-2-hydroxypropoxy)phenyl)-, ethyl ester, monohydrochloride