1-(p-Methylsulfonylphenyl)-2,2-dimethyl-3-dimethylamino-1-propanone hydrochloride 2,2-Dimethyl-3-(dimethylamino)-4'-(methylsulfonyl)-propiophenone hydrochloride 53207-38-8 Propiophenone, 2,2-dimethyl-3-(dimethylamino)-4'-(methylsulfonyl)-, hydrochloride