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