(2S)-1-(tert-butylamino)-3-(2-cyclopentylphenoxy)propan-2-ol HOE 893 Levopenbutol Penbutololum [INN-Latin] S(-)-Penbutolol l-Penbutolol 1-(tert-Butylamino)-3-(o-cyclopentylphenoxy)propan-2-ol 2-Propanol, 1-(2-cyclopentylphenoxy)-3-((1,1-dimethylethyl)amino)- EINECS 253-074-3 PDSP2_000056 (-)-Penbutolol 2-Propanol, 1-(2-cyclopentylphenoxy)-3-((1,1-dimethylethyl)amino)-, (S)- BRN 4484348 PDSP1_000056 CCRIS 2855