Ethyl 6-cyano-3-iodo-4-(trifluoromethoxy)pyridine-2-carboxylate
6-(Difluoromethyl)-4-fluoro-3-nitro-2-(trifluoromethoxy)pyridine
Ethyl 2-cyano-5-iodo-3-(trifluoromethoxy)pyridine-4-carboxylate
2-(Difluoromethyl)-4-fluoro-3-nitro-5-(trifluoromethoxy)pyridine