Methyl 3-chloro-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylate
6-(Chloromethyl)-2-cyano-3-iodo-4-(trifluoromethoxy)pyridine
Methyl 6-chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-chloro-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate