4-Chloro-2-nitro-5-(trifluoromethoxy)pyridine-3-sulfonamide
4-Cyano-2-methyl-3-(trifluoromethoxy)pyridine-5-sulfonamide
2-Cyano-3-fluoro-5-hydroxy-6-(trifluoromethoxy)pyridine
5-Chloro-3-nitro-2-(trifluoromethoxy)pyridine-4-sulfonamide
+86(0) 189-6910-6387
[email protected]