Ethyl 2-(difluoromethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-3-acetate
Methyl 3-(difluoromethyl)-2-methoxy-4-methylpyridine-6-acetate
4-Iodo-5-methoxy-2-(trifluoromethoxy)pyridine-3-acetonitrile
2-Bromo-6-(difluoromethyl)-3-iodopyridine-5-carbonyl chloride