4-(Difluoromethyl)-3-methyl-5-nitropyridine-2-sulfonyl chloride
2-(Aminomethyl)-3-(difluoromethyl)-4-methylpyridine-6-acetonitrile
3-(Aminomethyl)-6-(difluoromethyl)-2-methyl-4-(trifluoromethyl)pyridine
4-(Difluoromethyl)-2-methyl-6-nitropyridine-3-sulfonyl chloride