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