3803051 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3803051 > 2 > ChemIDplus > 097660601 > 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-(phenylazo)phenyl)azo)-, compds. with N,N'-bis(Ph and o-tolyl and xylyl)guanidine 97660-60-1 EINECS 307-573-9 > 97660-60-1 > 097660601 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=097660601 $$$$