Ethyl 4-chloro-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 4-chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetate
Ethyl 6-cyano-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylate
5-(Aminomethyl)-3-cyano-4-nitro-2-(trifluoromethoxy)pyridine