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