1-(2-Ethylphenyl)-4-((2-hydroxyethyl)amino)-1-butanone 1-Butanone, 1-(2-ethylphenyl)-4-((2-hydroxyethyl)amino)- 133845-34-8 BRN 4351896 Butyrophenone, 2'-ethyl-4-((2-hydroxyethyl)amino)-