74235-60-2
3-phenyl-4,4-dichloro-2-pyrazolin-5-one
→
~25%
68654-29-5
9,10-dioxa-anti-(phenyl,chloro)bimane
+
68654-26-2
2,6-dichloro-1,7-diphenylpyrazolo[1,2-a]pyrazole-3,5-dione