1,4,4a,6,7,8a-hexahydro-1,4-methano-naphthalene-5,8-dione

1,4-二氢-1,4-亚甲基萘-5,8-二酚二乙酸

对二乙酰氧基苯

1,4,5,8-tetrahydro-1,4,5,8-dimethano-anthracene-9,10-dione

3',6'-二羟基苯并降冰片烯