苯乙炔

三氯乙酰氯

1-乙炔基环己烷

4,4-dichloro-1-cyclohex-1-enyl-3,3-difluoro-cyclobutene

3,6-dibromo-1-(4,4-dichloro-3,3-difluorocyclobut-1-en-1-yl)cyclohex-1-ene