Ethyl 4-(chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 2-chloro-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 2-(chloromethyl)-4-cyano-5-(trifluoromethoxy)pyridine-3-acetate
3-Chloro-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylic acid