2-(Dimethylamino)-N-(2,3,5,6-tetramethylphenyl)acetamide hydrochloride 57116-04-8 Acetamide, 2-(dimethylamino)-N-(2,3,5,6-tetramethylphenyl)-, monohydrochloride omega-Dimethylamino-2,3,5,6-tetramethylacetanilide hydrochloride