1,4-Dihydro-N,1-bis(2,3-xylyl)-2,6-dimethyl-4-oxo-3-pyridinecarboxamide hydrochloride 80357-47-7 Nicotinamide, 1,4-dihydro-N,1-bis(2,3-xylyl)-2,6-dimethyl-4-oxo-, monohydrochloride