2-Fluoro-1-methylpyridinium p-toluenesulphonate
HPTU
5-Chloro-4-methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile
4-Chloro-5,6-difluoropyridine-3-carboxylic acid
+86(0) 189-6910-6387
[email protected]