發送短信

數:

提供者:

CAPTCHA:

   _____   _    _     _____    __   __            
  / ___// | || | ||  / ____||  \ \\/ //   ____    
  \___ \\ | || | || / //---`'   \ ` //   |    \\  
  /    // | \\_/ || \ \\___      | ||    | [] ||  
 /____//   \____//   \_____||    |_||    |  __//  
`-----`     `---`     `----`     `-`'    |_|`-`   
                                         `-`

Please enter what you see:

發送短信 : Functionalized cyclopentenones via intramolecular acylation of alpha-sulfinyl carbanions