Text this

Number:

Provider:

CAPTCHA:

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

Please enter what you see:

Text this: Photochemical isomerization of platinum(II) complexes containing phosphine and carbonyl ligands: Pt(CO)(PR3)X2 (X=Cl, Br, I)