3-Cyano-6-(difluoromethyl)pyridine-2-sulfonyl chloride
Ethyl 2-(bromomethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate
2-(Bromomethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetic acid
4-Cyano-3-(difluoromethyl)pyridine-2-sulfonyl chloride