73443-85-3
4-溴-2(3h)-苯并噻唑酮
→
~99%
67932-23-4
4-bromo-3-methyl-1,3-benzothiazol-2-one
+
74-88-4
甲基碘
~81%
6832-87-7
2-溴-N-甲基苯胺