發送短信 : Synthesis of allahabadolactone A

  ______    _____   __    __    _____    ______   
 /_   _//  |  ___|| \ \\ / //  |  ___|| |      \\ 
 `-| |,-   | ||__    \ \/ //   | ||__   |  --  // 
   | ||    | ||__     \  //    | ||__   |  --  \\ 
   |_||    |_____||    \//     |_____|| |______// 
   `-`'    `-----`      `      `-----`  `------`