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