1,8-diphenyl-11-oxatricyclo[6.2.1.02,7]undeca-2,4,6-triene-9,10-dicarboxylic acid dimethyl ester

二苯甲酮縮胺苯

苯甲醛

马来酸二甲酯

dimethyl 1,4-diphenyl-1,4-dihydro-1,4-epoxynaphthalene-2,3-dicarboxylate