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