76412-48-1 8-Ureido-5-(2-hydroxy-3-(beta-3,4-dimethoxyphenethylamino))propoxy-3,4-dihydrocarbostyril HCl Urea, (5-(3-((2-(3,4-dimethoxyphenyl)ethyl)amino)-2-hydroxypropoxy)-1,2,3,4-tetrahydro-2-oxo-8-quinolinyl)-, monohydrochloride