61128-73-2
二氢-2H-吡喃-4(3h)-酮 肟
→
~82%
10341-26-1
1,4-氧代氮杂烷-5-酮
29943-42-8
四氢吡喃酮
~46%
+
73920-62-4
2,3-Dihydro-1,4-thiazepin-5(4H)-on
61108-59-6