1120-93-0
4-吡喃-4-硫酮
+
57-14-7
偏二甲肼
→
~44%
134368-08-4
4(1H)-吡啶硫酮, 1-(二甲氨基)-
1003-41-4
thiopyran-4-one
~43%
108-97-4
吡喃-4-酮