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

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Text this: Rotational isomerism and crystal structures of 2,2′-diphenyl-2,2′-bi-1,3-dithianyl and 2,2′-diphenyl-2,2′-bi-1,3-dioxolanyl