2-Amino-4-(chloromethyl)-3-(difluoromethyl)-5-nitropyridine
Methyl 3-amino-6-(difluoromethyl)-2-iodopyridine-5-carboxylate
4-Amino-5-(bromomethyl)-3-(difluoromethyl)-2-nitropyridine
Methyl 4-amino-2-(difluoromethyl)-6-iodopyridine-3-carboxylate
+86(0) 189-6910-6387
[email protected]