1-methoxy-4-[1-(4-methoxyphenyl)-2,2-diphenylethenyl]benzene

1,1,2,2-四苯乙烯

9-[bis(4-methoxyphenyl)methylidene]fluorene

ethyl 5,5-bis(4-methoxyphenyl)-3-oxopent-4-enoate

4-diazonio-5-ethoxy-1,1-bis(4-methoxyphenyl)-5-oxopenta-1,3-dien-3-olate