3-Bromo-4-(difluoromethyl)pyridine-5-sulfonyl chloride
Ethyl 5-(bromomethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylate
Ethyl 4-(bromomethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-carboxylate
3-Bromo-2-(difluoromethyl)pyridine-5-sulfonyl chloride