61699-62-5
3,4-二异丙氧基-3-环丁烯-1,2-二酮
+
17955-46-3
叔丁基锡烷
→
129034-70-4
3-propan-2-yloxy-4-tributylstannylcyclobut-3-ene-1,2-dione
708-10-1
3-hydroxy-4-phenylcyclobut-3-ene-1,2-dione