5-(Aminomethyl)-2-(difluoromethyl)-3-methylpyridine-6-carboxaldehyde
4-(Aminomethyl)-5-(difluoromethyl)-2-methylpyridine-3-carboxaldehyde
4-(Difluoromethyl)-3-methyl-6-nitropyridine-2-acetonitrile
4-(Difluoromethyl)-3-methyl-5-nitropyridine-2-acetonitrile