trans-1,4-diphenylbut-2-ene-1,4-dione, (E)-1,2-Dibenzoylethene, 4-diphenyl-4-dion(e)-2-butene-1, dibenzoyl ethylene, trans-1,4-diphenyl-2-butene-1,4-dione, perdominantlytrans, trans-1,2-Diabenzoylbenzene, (2E)-1,4-diphenyl-2-buten-1,4-dione, trans-1,4-diphenylbut-2-en-1,4-dione, TRANS-DIPHENACYLIDENE, 2-Butene-1,4-dione, 1,4-diphenyl-, (E)-, trans-dibenzoylethylene, (E)-1,2-DIBENZOYLETHYLENE