OSL08: Olsalazine EP Impurity H

3-(3-Carboxy-4-hydroxy)phenylazo Olsalazine ;

3,3′-[5-Carboxy-4-hydroxy-1,3-phenylenebis-(diazenediyl)]bis(6-hydroxybenzoic) acid ;

C21H14N4O9 ;
Mol. Wt.: 466.36 ;