5-Amino-3-bromo-2-(difluoromethyl)pyridine-4-carboxylic acid
5-Amino-4-bromo-2-(difluoromethyl)pyridine-3-carboxylic acid
3-Amino-2-bromo-6-(difluoromethyl)pyridine-5-carboxylic acid
3-(Difluoromethyl)-4,6-dimethoxy-2-nitropyridine
+86(0) 189-6910-6387
[email protected]