4-Chloro-6-fluoro-2-nitro-3-(trifluoromethoxy)pyridine
4-(Aminomethyl)-3-bromo-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine
3-Chloro-5-fluoro-4-nitro-2-(trifluoromethoxy)pyridine
4-(Aminomethyl)-3-bromo-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine