發送短信 : ZETHRENE AND EXTENDED ZETHRENE BASED DIRADICALOIDS AND TETRARADICALOIDS

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