3,5-Difluoro-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4,6-Dimethyl-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3,4-Dimethyl-5-methoxy-2-(trifluoromethoxy)pyridine
2,4-Dimethyl-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
+86(0) 189-6910-6387
[email protected]