發送短信 : ENANTIOSELECTIVE ANNULATION CATALYZED BY AMINO ACID DERIVED CHIRAL PHOSPHONES

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