أرسل هذا في رسالة قصيرة: Facile Synthesis of Nitrogen-doped [(6.)m8]nCyclacene Carbon Nanobelts by a One-pot Self-condensation Reaction

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