أرسل هذا في رسالة قصيرة: The unexpected reactions of boron trihalides with 7-phosphanorbornadiene complexes

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