1,4-Dihydro-2,6-dimethyl-N,1-diphenyl-4-oxo-3-pyridinecarboxamide hydrochloride 1,4-Dihydro-2,6-dimethyl-N,1-diphenyl-4-oxonicotinamide monohydrochloride 65190-90-1 Nicotinamide, 1,4-dihydro-2,6-dimethyl-N,1-diphenyl-4-oxo-, monohydrochloride