Ethyl 4-bromo-2-(difluoromethyl)-5-iodopyridine-3-acetate
Ethyl 2-(bromomethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-3-acetate
5-Methyl-2-(trifluoromethyl)pyridine-3-sulfonyl chloride
Ethyl 2-(chloromethyl)-5-(difluoromethyl)-3-hydroxypyridine-4-carboxylate