Methyl 6-bromo-2-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 4-(bromomethyl)-3-(difluoromethyl)-6-hydroxypyridine-2-carboxylate
4-(Aminomethyl)-3-(difluoromethyl)-2-iodo-5-(trifluoromethyl)pyridine
4-(Difluoromethyl)-5-iodo-2-methoxypyridine-3-sulfonyl chloride