英文别名
6,6'-dimethyl-3,3'-diphenyl-3,3'-dibenzofuran-2,2'(3H,3'H)-dione;6,6'-dimethyl-3,3'-diphenyl-3H,3'H-[3,3']bibenzofuranyl-2,2'-dione;6,6'-Dimethyl-3,3'-diphenyl-3H,3'H-[3,3']bibenzofuranyl-2,2'-dion;6-methyl-3-(6-methyl-2-oxo-3-phenyl-1-benzofuran-3-yl)-3-phenyl-1-benzofuran-2-one