英文别名
                        4b,9b-diphenyl-4b,4c,9b,9c-tetrahydro-cyclobuta[1,2-a;3,4-a']diindene-5,10-dione;4b,9b-Diphenyl-4b,4c,9b,9c-tetrahydro-cyclobuta[1,2-a;3,4-a']diinden-5,10-dion;2,11-Diphenylpentacyclo[9.7.0.02,10.03,8.012,17]octadeca-3,5,7,12,14,16-hexaene-9,18-dione