2-Cyano-3,4-difluoro-5-(difluoromethyl)pyridine
3,6-Difluoro-4-(difluoromethyl)-2-methylpyridine
2,5-Difluoro-3-(difluoromethyl)-6-methylpyridine
4,6-Difluoro-2-(difluoromethyl)-3-methylpyridine
+86(0) 189-6910-6387
[email protected]