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3,9,14,20-Tetra-t-butyl-1,10,12-trisdehydro[20]annulene. A paratropic 20π-electron system

✍ Scribed by Shin'ichi Nakatsuji; Masazumi Nakagawa

No coin nor oath required. For personal study only.

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3.7, 12, 16-tetra-t-butyl-1, 8, 10-tride

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3,15,18,30-Tetra-t-butyl-1,16-didehydro[

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