3,3,6-trimethylhepta-1,5-diene

3-羟基-2,2-二甲基丁酸

ethyl 4,4-dimethyl-3-oxohex-5-enoate

2,2-Dimethyl-3-buten-1-ol

2-甲基-3-(3-甲基-2-丁烯基)-1,4-萘二酮