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