6-(Difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-3-acetic acid
2-(Difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-5-acetic acid
Ethyl 5-(difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 5-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-3-acetate