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