ethyl 5,5-dimethylhexa-2,3-dienoate

5,5-Dimethyl-hexin-(3)-saeureaethylester

2,2,8,8-四甲基-3,6-壬二烯-5-酮

3,3-dimethylbut-1-ynyl(triethyl)stannane

dicyclohexyl(methoxy)borane