(Z)-2-methyl-6-methyleneoct-4-ene

(E)-2-methyl-6-methyleneoct-4-ene

1-(but-1-en-2-yl)-4-ethyl-3-(3-methylbutylidene)cyclopent-1-ene

四(2-甲基丙基)锡烷

2,6-dimethylhept-2-en-4-one