1,1'-(1-丁烯-1,4-二基)二苯

dimethyl 3,6-diphenyl-3,6-dihydropyridazine-1,2-dicarboxylate

<2.4>paracyclophane

(2-benzoyl-3,6-diphenylphenyl)-phenylmethanone

4,7-diphenyl-3a,7a-dihydro-1H-indene