2-(Chloromethyl)-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-sulfonyl chloride
Methyl 5-(bromomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
5-Amino-2-(difluoromethyl)pyridine
Methyl 5-(bromomethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetate