4-Bromo-3-(difluoromethyl)-6-methoxypyridine-2-sulfonyl chloride
4-Bromo-3-(difluoromethyl)-5-methoxypyridine-2-sulfonyl chloride
2-Bromo-4-(difluoromethyl)-3-methoxy-6-methylpyridine
2-Bromo-3-(difluoromethyl)-6-methoxy-5-methylpyridine
+86(0) 189-6910-6387
[email protected]