2-Cyano-4-(difluoromethyl)-5-fluoropyridine
2-Cyano-3-(difluoromethyl)-6-fluoropyridine
5-Chloro-2-(difluoromethyl)-4-fluoropyridine
4-Chloro-5-(difluoromethyl)-2-fluoropyridine
+86(0) 189-6910-6387
[email protected]