2,5-Dimethoxy-3-nitro-6-(trifluoromethoxy)pyridine
2-Hydroxy-5-methyl-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
6-Bromo-2-mercaptonicotinonitrile
3-(Chloromethyl)-5-cyano-6-(difluoromethyl)-2-fluoropyridine
+86(0) 189-6910-6387
[email protected]