2-Bromo-5-(bromomethyl)-4-(difluoromethyl)-3-nitropyridine
6-Bromo-3-(difluoromethyl)-4-methyl-2-(trifluoromethyl)pyridine
2-Bromo-5-(bromomethyl)-3-(difluoromethyl)-4-nitropyridine
2-Bromo-4-(bromomethyl)-6-(difluoromethyl)-3-nitropyridine
+86(0) 189-6910-6387
[email protected]