7,7-dimethyloct-3-en-5-yne

6,6-dimethylhept-4-yn-1-ol

顺式-1.1.1-三甲基-2-丁烯

反式-4,4-二甲基-2-戊烯

bis(3,3-dimethylbut-1-ynyl)-phenylphosphane