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