NF449

4,4',4'',4'''-[Carbonylbis[imino-5,1,3-benzenetriylbis(carbonylimino)]]tetrakis-1,3-Benzenedisulfonic Acid Sodium Salt (1:8); 4,4',4'',4'''-[Carbonylbis[imino-5,1,3-benzenetriylbis(carbonylimino)]]tetrakis-1,3-benzenedisulfonic Acid Octasodium Salt;

O=C(C1=CC(C(NC2=C(S(=O)(O[Na])=O)C=C(S(=O)(O[Na])=O)C=C2)=O)=CC(NC(NC3=CC(C(NC4=CC=C(S(=O)(O[Na])=O)C=C4S(=O)(O[Na])=O)=O)=CC(C(NC5=C(S(=O)(O[Na])=O)C=C(S(=O)(O[Na])=O)C=C5)=O)=C3)=O)=C1)NC6=C(S(=O)(O[Na])=O)C=C(S(=O)(O[Na])=O)C=C6