三环癸-3-烯-8-醇

3a,4,5,6,7,7a-六氢-外型-4,7-甲桥茚-5-醇

双环戊二烯

1,3A,4,6,7,7alpha-六氢-4,7-甲桥-5H-茚-5-酮

ENDO-DICYCLOPENTADIENE