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