3772215 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3772215 > 2 > ChemIDplus > 081898604 > 1,5-Naphthalenedisulfonic acid, 3,3'-(1,4-piperazinediylbis((6-chloro-1,3,5-triazine-4,2-diyl)imino(2-(acetylamino)-4,1-phenylene)azo))bis-, tetrasodium salt 81898-60-4 > 81898-60-4 > 081898604 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=081898604 $$$$