| 英文名称: | | 4,7-epoxybenzo(c)thiophene-5-carboxylic acid, octahydro-1,3-dioxo-, (3a-alpha,4 | | 5- alpha,7-beta,7a-alpha)--bet | | 5-endo-carboxyendothall thioanhydride | | 7-epoxybenzo(c)thiophene-5-carboxylic acid,octahydro-1,3-dioxo-, (3a-alpha,4-beta,5- alpha,7-beta,7a |
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