2-Chloro-5-cyano-4-(difluoromethyl)-3-iodopyridine
4-Bromo-2-(difluoromethyl)-3-nitropyridine-6-carboxylic acid
2-Chloro-5-cyano-3-(difluoromethyl)-4-iodopyridine
5-Bromo-3-(difluoromethyl)-4-nitropyridine-2-carboxylic acid
+86(0) 189-6910-6387
[email protected]