Ethyl 2-chloro-4-cyano-5-(trifluoromethoxy)pyridine-3-carboxylate
2-Chloro-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-methanol
2-Chloro-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-methanol
5-Chloro-2-cyano-4-(trifluoromethoxy)pyridine-3-acetic acid