(+)-3-(3-Acetyl-4-(3-(tert-butylamino)-2-hydroxypropoxy)phenyl)-1,1-diethylurea hydrochloride 125638-91-7 NBP-584 Urea, N'-(3-acetyl-4-(3-((1,1-dimethylethyl)amino)-2-hydroxypropoxy)phenyl)-N,N-diethyl-, monohydrochloride, (R)-