4,6-Dibromo-2-(difluoromethyl)-3-nitropyridine
2,3-Dibromo-6-(difluoromethyl)-5-nitropyridine
2,6-Dibromo-4-(difluoromethyl)-3-methylpyridine
2,4-Dibromo-5-(difluoromethyl)-3-methylpyridine
+86(0) 189-6910-6387
[email protected]