5-Bromo-2-(difluoromethyl)-3-nitropyridine-6-carbonyl chloride
5-Amino-3-(chloromethyl)-2-(difluoromethyl)-4-iodopyridine
3-Hydroxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Hydroxy-5-methoxy-3-(trifluoromethoxy)pyridine-4-carbonyl chloride
+86(0) 189-6910-6387
[email protected]