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