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