Ethyl 5-chloro-2-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 4-chloro-2-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylate
3-Cyano-6-methoxy-2-nitro-4-(trifluoromethoxy)pyridine
Ethyl 3-chloro-4-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate