Ethyl 3-chloro-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
2-(Chloromethyl)-4-cyano-3-(trifluoromethoxy)pyridine-6-acetic acid
6-Fluoro-4-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
Ethyl 5-chloro-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylate