2-(Aminomethyl)-4-fluoro-3-nitro-6-(trifluoromethoxy)pyridine
4-Cyano-3-(difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2-fluoro-6-iodo-5-(trifluoromethoxy)pyridine
2-(Aminomethyl)-3-fluoro-6-nitro-4-(trifluoromethoxy)pyridine