13-Oxabicyclo[8.2.1]trideca-1(12),10-diene
13-Oxabicyclo[8.2.1]trideca-1(12),10-diene ??
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13-Oxabicyclo[8.2.1]trideca-1(12),10-diene C??? ??, ??, ??
13-Oxabicyclo[8.2.1]trideca-1(12),10-diene ?? ?? ? ???
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13-Oxabicyclo[8.2.1]trideca-1(12),10-diene ?? ??
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