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