5-(2,4-Dichlorophenyl)-3-(p-tolyl)-3a,6a-dihydrospiro[furo[3,4-c]pyrrole-1,2'-indene]-1',3',4,6(3H,5H)-tetraone

5-(2,4-Dichlorophenyl)-3-(p-tolyl)-3a,6a-dihydrospiro[furo[3,4-c]pyrrole-1,2'-indene]-1',3',4,6(3H,5H)-tetraone,