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?? ???? >9,10-Dihydro-9,10-dimethoxy-11-(phenylethynyl)-11-(trimethylsiloxy)-9,10-methanoanthracene
9,10-Dihydro-9,10-dimethoxy-11-(phenylethynyl)-11-(trimethylsiloxy)-9,10-methanoanthracene
9,10-Dihydro-9,10-dimethoxy-11-(phenylethynyl)-11-(trimethylsiloxy)-9,10-methanoanthracene ??
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9,10-Dihydro-9,10-dimethoxy-11-(phenylethynyl)-11-(trimethylsiloxy)-9,10-methanoanthracene C??? ??, ??, ??
9,10-Dihydro-9,10-dimethoxy-11-(phenylethynyl)-11-(trimethylsiloxy)-9,10-methanoanthracene ?? ?? ? ???
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9,10-Dihydro-9,10-dimethoxy-11-(phenylethynyl)-11-(trimethylsiloxy)-9,10-methanoanthracene ?? ??
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