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