7,7-二甲基-4-亚甲基双环[4.1.0]庚烷

3-异丙基-6-亚甲基-1-环己烯

(4-methylphenyl)sulfonylmethylidene-triphenyl-λ⁵-phosphane

1-methylidene-3-prop-1-en-2-ylcyclohexane

5-ethenyl-1-methylimidazole