Text this

Number:

Provider:

CAPTCHA:

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

Please enter what you see:

Text this: Crystal structures and characterizations of (nitrato-O) (nitrato-O,O′)(η6-hexamethylbenzene)ruthenium(II) and di(trifluoroacetato-O)(H2O-O)(η6-hexamethylbenzene) ruthenium(II)