6-Cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetic acid
2-Cyano-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetic acid
Methyl 3-fluoro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetate
Methyl 2-fluoro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-acetate