1225-25-8 2-(Dimethylamino)-3-hydroxy-N-methyl-p-butyrophenetidide hydrochloride Butanamide, 2-(dimethylamino)-N-(4-ethoxyphenyl)-3-hydroxy-N-methyl-, monohydrochloride alpha-Dimethylamino-beta-hydroxybuttersaeure-N-methyl-p-phenetidid hydrochlorid [German] p-BUTYROPHENETIDIDE, 2-(DIMETHYLAMINO)-3-HYDROXY-N-METHYL-, HYDROCHLORIDE