17571-17-4
4-benzoyl-5-phenylfuran-2,3-dione
→
34959-15-4
3,5-dibenzoyl-2,6-diphenylpyran-4-one
+
92314-63-1
(3,5-dibenzoyl-2-oxo-6-phenylpyran-4-yl) benzoate