發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Preparation and properties of CF3As[ON(H)CF3]2 and (CF3)2AsON(H)CF3