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