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