| 英文名称: | | 1,7-dioxadispiro(4.0.4.2)dodeca-2,8-diene-11,12-dicarboxylic acid, 4,10-dioxo-2 | | ,8-diphenyl-, dimethyl ester, (5-alpha,6-alpha,11-alpha,12-alpha)- | | 8-diene-11,12-dicarboxylic acid,4,10-dioxo-2,8-diphenyl-7-dioxadispiro(4.0.4.2)dodeca- dimethyl e |
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