4-Chloro-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
4-Cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile
Ethyl 2-fluoro-3-methoxy-5-(trifluoromethoxy)pyridine-6-acetate
5-Cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetonitrile