Methyl 3,6-dibromo-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 2-(bromomethyl)-5-(difluoromethyl)-4-methoxypyridine-3-acetate
Methyl 2,4-diamino-6-(trifluoromethoxy)pyridine-3-acetate
Methyl 6-(bromomethyl)-4-(difluoromethyl)-3-methoxypyridine-2-acetate