1,5-bis(cyclopenta-2,4-dien-1-ylidene)cyclooctane

3-甲基双环[2.2.1]庚-2,5-二烯-2-甲酰氯

7-(N,N-Diphenylamino)bicyclo[3.2.0]hept-2-en-6-one

二苯胺

4-methylpent-3-en-1-ynylbenzene