Methyl 4-cyano-5-fluoro-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-cyano-3-fluoro-2-(trifluoromethoxy)pyridine-5-acetate
2-Bromo-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid
6-Bromo-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-methanol