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