2-Chloro-5-(difluoromethyl)pyridine-3-sulfonyl chloride
3-Chloro-2-(difluoromethyl)pyridine-5-carbonyl chloride
2-Chloro-3-(difluoromethyl)pyridine-6-sulfonyl chloride
5-Chloro-2-(difluoromethyl)pyridine-4-carbonyl chloride
+86(0) 189-6910-6387
[email protected]