3767575 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3767575 > 2 > ChemIDplus > 072987236 > 1,5-Naphthalenedisulfonic acid, 3,3'-(carbonylbis(imino(2-methyl-4,1-phenylene)azo))bis-, compd. with 2,2'-(methylimino)bis(ethanol) (1:4) 72987-23-6 > 72987-23-6 > 072987236 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=072987236 $$$$