3-(Aminomethyl)-4-bromo-6-(difluoromethyl)-2-nitropyridine
2-Bromo-3-(difluoromethyl)-5-nitro-4-(trifluoromethyl)pyridine
2-Bromo-3-(difluoromethyl)-4-nitro-5-(trifluoromethyl)pyridine
4-Bromo-5-(chloromethyl)-2-(difluoromethyl)pyridine-3-acetonitrile