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