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