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