5-Bromo-4-(chloromethyl)-3-(difluoromethyl)-2-hydroxypyridine
5-Bromo-2-(chloromethyl)-4-(difluoromethyl)-3-hydroxypyridine
5-Bromo-2-(chloromethyl)-3-(difluoromethyl)-4-hydroxypyridine
3-Bromo-4-(chloromethyl)-2-(difluoromethyl)-6-hydroxypyridine
+86(0) 189-6910-6387
[email protected]