發送短信 : 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

  ____       ___    __    __     ___      _____   
 |  _ \\    / _ \\  \ \\ / //   / _ \\   |__  //  
 | |_| ||  / //\ \\  \ \/ //   / //\ \\    / //   
 | .  //  |  ___  ||  \  //   |  ___  ||  / //__  
 |_|\_\\  |_||  |_||   \//    |_||  |_|| /_____|| 
 `-` --`  `-`   `-`     `     `-`   `-`  `-----`