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