2,2,6,6-tetramethylhept-4-yn-3-ol

2,2,7,7-四甲基-3,5-辛二炔

2,6-ditert-butyl-4-(3,3-dimethylbut-1-ynyl)phenol

4,4-二甲基-1-戊醇

5,5-dimethylhex-3-yn-2-one