tricyclo[5.2.1.02,6]deca-4,8-dien-3-(exo)ol

双环[2.1.0]戊烷

6-噁双环[3.1.0]-3-己烯

1,6-庚二烯-4-酮

4-methylsulfanyl-4-methylsulfinylcyclopentene