5-Bromo-2-(chloromethyl)-3-(difluoromethyl)-6-methylpyridine
3-(Aminomethyl)-6-bromo-2-(difluoromethyl)-5-nitropyridine
5-(Aminomethyl)-2-bromo-3-(difluoromethyl)-4-nitropyridine
4-Bromo-5-(chloromethyl)-2-(difluoromethyl)-3-methylpyridine
+86(0) 189-6910-6387
[email protected]