10,11-Diphenyltricyclo[4.3.2.01,6]undeca-2,4,10-trien

1-苯基-1-丁炔

(1-azido-2,3-diphenylcycloprop-2-en-1-yl)benzene

苯基乙炔三丁基锡

Zefirov’s reagent