3152-15-6
3-(4-氯苯基)-2,5-呋喃二酮
→
~11%
58755-77-4
4-(4-chlorophenyl)-3H-1,3-oxazine-2,6-dione
+
58755-78-5
5-(4-chlorophenyl)-3H-1,3-oxazine-2,6-dione