2-Nitro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-sulfonyl chloride
Ethyl 3-(bromomethyl)-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetate
Methyl 3-(difluoromethyl)-2-nitro-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 6-(difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate