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

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發送短信 : Intramolecular Conjugate Ene Reaction of γ-Difluoromethyl- and γ-Trifluoromethyl-α,β-Unsaturated γ-Butyrolactones