1-Butanone, 1-(2-(3-((1,1-dimethylethyl)amino)-2-hydroxypropoxy)-5-fluorophenyl)- 2'-(3-(tert-Butylamino)-2-hydroxypropoxy)-5'-fluorobutyrophenone 58930-32-8 64552-17-6 Butofilolol CM 6805 EINECS 261-502-5