أرسل هذا في رسالة قصيرة: Cycloheptatrienyl trianion: an elusive bridge in the search of exchange coupled dinuclear organolanthanide single-molecule magnets

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