發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : DEVELOPMENT OF AN ASYMMETRIC PHOSPHINE-CATALYZED UMPOLUNG-ADDITION REACTION AND ITS APPLICATION TO THE SYNTHESIS OF HPI ALKALOIDS