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