Methyl 5-cyano-3-methoxy-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 5-(bromomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-cyano-5-methoxy-4-(trifluoromethoxy)pyridine-2-carboxylate
4-Cyano-3-methoxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride