Methyl 2-(bromomethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 2-(bromomethyl)-5-fluoro-3-(trifluoromethoxy)pyridine-6-acetate
5-(Chloromethyl)-4-(difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine
2-(Chloromethyl)-6-(difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine