أرسل هذا في رسالة قصيرة: Stable tetrabenzo-chichibabin’s hydrocarbons : tunable ground state and unusual transition between their closed-shell and open-shell resonance forms

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