4-Amino-3-bromo-2-(difluoromethyl)-6-iodopyridine
3-Amino-4-cyano-2-(difluoromethyl)-6-nitropyridine
3-Amino-2-cyano-6-(difluoromethyl)-4-nitropyridine
2-Amino-3-(bromomethyl)-4-cyano-5-(difluoromethyl)pyridine
+86(0) 189-6910-6387
[email protected]