Two benzene rings attached by C
2H
2
bridges, so the composition is C
14H
16. It is, of course, one of those "look what I can do!" sort of molecules with little or no application. A bit like a
buckyball, really. :)
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/ \
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| \ / |
| \_______/ |
| _______ |
| / \ |
|___/ \___|
\ /
\_______/
The ring in the two benzenes are not shown.