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  _  __     ___     __   _     ______   _    _   
 | |/ //   / _ \\  | || | ||  /_   _// | |  | || 
 | ' //   / //\ \\ | '--' ||   -| ||-  | |/\| || 
 | . \\  |  ___  ||| .--. ||   _| ||_  |  /\  || 
 |_|\_\\ |_||  |_|||_|| |_||  /_____// |_// \_|| 
 `-` --` `-`   `-` `-`  `-`   `-----`  `-`   `-`

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Text this: Conformational Analysis of (±)-(1,1′-Biindene)-3,3′ -dione, 2,2′,3,3′-Tetrahydro-(1,1′-binaphthalene)-4,4′ (1H,1′H)-dione, and (1,1′-Bibenzosuberene)-5,5′-dione