Text this

Number:

Provider:

CAPTCHA:

 _    _     ______               ___     ______   
| |  | ||  /_   _//   ____      / _ \\  |      \\ 
| |/\| ||   -| ||-   |    \\   / //\ \\ |  --  // 
|  /\  ||   _| ||_   | [] ||  |  ___  |||  --  \\ 
|_// \_||  /_____//  |  __//  |_||  |_|||______// 
`-`   `-`  `-----`   |_|`-`   `-`   `-` `------`  
                     `-`

Please enter what you see:

Text this: A synthesis of γ-trifluoromethyl α,β-unsaturated γ-butyrolactones using CF<inf>3</inf>SiMe<inf>3</inf>as a trifluoromethylating agent