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