Acetone, DAIH derivative

(3E)-2-(2,2-diphenylacetyl)-3-(propan-2-ylidenehydrazinylidene)inden-1-one

2-Diphenylacetyl-3-(isopropylidene-hydrazono)indan-1-one, 2-Diphenylacetyl-indan-1,3-dione-1-isopropylidenehydrazone