4,5,6-triphenylpyran-2-one

苯乙炔

甲基乙烯砜

4,10-Dioxo-1,7,8,9-tetraphenyl-3,5-dioxa-tricyclo<5.2.11.7.02.6>-dec-8-en

1,4-dilithio-1,2,3,4-tetraphenylbutadiene