發送短信

數:

提供者:

CAPTCHA:

__    __   __   __    _  _    __   __    ______  
\ \\ / //  \ \\/ //  | \| ||  \ \\/ //  /_   _// 
 \ \/ //    \ ` //   |  ' ||   \ ` //     | ||   
  \  //      | ||    | .  ||    | ||     _| ||   
   \//       |_||    |_|\_||    |_||    /__//    
    `        `-`'    `-` -`     `-`'    `--`

Please enter what you see:

發送短信 : A cyclic (alkyl)(boryl)germylene derived from a cyclic (alkyl)(amino)germylene