2-(Butylamino)-3',4'-dihydroxyacetophenone 33406-44-9 4-14-00-00836 (Beilstein Handbook Reference) ACETOPHENONE, 2-(BUTYLAMINO)-3',4'-DIHYDROXY- BRN 3281536 Ethanone, 2-(butylamino)-1-(3,4-dihydroxyphenyl)-