54231-54-8 ISONICOTINAMIDE, N-(3,4-DIMETHYLPHENYL)-, HYDROCHLORIDE Isonicotinamide, N-(3,4-xylyl)-, hydrochloride N-(3,4-Dimethylphenyl) isonicotinamide hydrochloride N-(3,4-Xylyl)isonicotinamide hydrochloride