3-DIMETHYLAMINO-2-METHYLPROPIOPHENONE HYDROCHLORIDE, 97;3-(dimethylamino)-2-methyl-1-phenyl-1-propanonehydrochloride ;3-(dimethylamino)-2-methyl-1-phenyl-1-propanonhydrochloride ;3-dimethylamino-2-methylpropiophenone hydrochlori;GYSQNNVBFRLOQW-UHFFFAOYSA-N;(2RS)-3-(Dimethylamino)-2-methyl-1-;Dextropropoxyphene Hydrochloride EP Impurity F as Hydrochloride