5-Bromo-2-(difluoromethyl)-4-hydroxypyridine-3-acetic acid
5-Bromo-2-(difluoromethyl)-3-hydroxypyridine-4-acetic acid
4-Bromo-3-(difluoromethyl)-6-hydroxypyridine-2-acetic acid
3-Bromo-6-cyano-4-(difluoromethyl)pyridine-2-acetonitrile
+86(0) 189-6910-6387
[email protected]