Dibenzylideneacetone1,5-Diphenylpenta-1,4-dien-3-one(1E,4E)-1,5-diphenylpenta-1,4-dien-3-onetrans,trans-1,5-Diphenyl-1,4-pentadien-3-oneDibenzalacetone反,反-二亚苄基丙酮联甲基苯乙烯酮trans,trans-DibenzylideneacetoneDibenzylideneacetone1,5-二苯-1,4-戊二烯-3-酮1,5-Diphenyl-1,4-pentadien-3-oneDIBENZAL ACETONEDISTYRYL KETONE(E,E)-1,5-Diphenyl-1,4-pentadien-3-one反式,反式-二亚苄基丙酮