Ethyl 4-cyano-3-fluoro-5-(trifluoromethoxy)pyridine-2-carboxylate
2,5-Dimethoxy-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine
2-Chloro-4-(chloromethyl)-3-(difluoromethyl)pyridine-5-acetic acid
Ethyl 4-bromo-2-(difluoromethyl)-5-iodopyridine-3-acetate