| 英文名称: | | 8-Methano-2H-1-benzopyran-2-one, 6-ethylideneoctahydro-5 | | 9-Ethylidene-3-oxatricyclo[6.2.1.O2,7]undecane-4-one | | 6-ethylideneoctahydro-8-methano-2h-1-benzopyran-2-one | | 6-ethylideneoctahydro-8-methano-2h-1-benzopyran-2-one | | 5,8-Methano-2H-1-benzopyran-2-one,6-ethylideneoctahydro- |
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