發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Phase-Transfer and Ion-Pairing Catalysis of Pentanidiums and Bisguanidiniums