發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Facile synthesis of N-acylbenzotriazoles from carboxylic acids mediated by 2,4,6-trichloro-1,3,5-triazine and triethylamine