2,2,7,7-四甲基-3,5-辛二炔

3,3-dimethylbutynyl p-nitrobenzoate

(Z)-1-(3,3-dimethylbut-1-yn-1-yl)-5-(4,4-dimethylpent-2-yn-1-ylidene)cyclopent-1-ene

(3E)-5,5-dimethylhex-3-en-2-one

4,6-二叔丁基邻甲酚