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

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Text this: Rotational isomerism in 2,3-dinitro-2,3-dimethylbutane