4-Cyano-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Cyano-4-nitro-2-(trifluoromethoxy)pyridine-6-sulfonamide
2-Bromo-5-mercaptonicotinonitrile
2-Cyano-4-fluoro-6-nitro-3-(trifluoromethoxy)pyridine
+86(0) 189-6910-6387
[email protected]