2-Methyl-5-nitro-6-(trifluoromethoxy)pyridine-3-sulfonamide
Methyl 4-(fluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 6-(chloromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-4-acetate
Ethyl 2-(chloromethyl)-6-methoxy-4-(trifluoromethoxy)pyridine-3-acetate