3-Phenyl-7-(4-propoxyphenyl)-1,5-dioxa-s-indacene-2,6-dione

3-(4-Propoxyphenyl)-7-phenylbenzo[1,2-b:4,5-b']difuran-2,6-dione

Benzo1,2-b:4,5-bdifuran-2,6-dione, 3-phenyl-7-(4-propoxyphenyl)-