أرسل هذا في رسالة قصيرة: Synthesis and optical properties of starburst carbazoles based on 9-phenylcarbazole core

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