Name: 1,3-BENZENEDISULFONIC ACID 4,4'-[1,2-ETHENEDIYLBIS[(3-SULFO-4,1-PHENYLENE)IMINO[6-[BIS(2-HYDROXYETHYL)AMINO]-1,3,5-TRIAZINE-4,2-DIYL]IMINO]]BIS-,HEXAS