Methyl 6-(difluoromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 2-(aminomethyl)-3-cyano-4-(trifluoromethoxy)pyridine-6-acetate
Methyl 2-(difluoromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 2-(difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-6-acetate