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