3773931 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3773931 > 2 > ChemIDplus > 083949477 > 3-Amino-7-nitronaphthalene-1,5-disulphonic acid, sodium salt 83949-47-7 EINECS 281-408-8 > 83949-47-7 > 083949477 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083949477 $$$$