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