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