3773208 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3773208 > 2 > ChemIDplus > 083721613 > 5,10,12,17,22-Pentaoxo-11,23-diazaanthra(9,1,2-c,d,e)naphth(2',3':4,5)indeno(2,1-m)pentaphene 5H-Anthra(2,1,9-mna)naphth(2'',3'':6',7')indolo(2',3':5,6)naphth(2,3-h)acridine-5,7,12,20,25(6H,19H)-pentone 83721-61-3 EINECS 280-588-5 > 83721-61-3 > 083721613 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083721613 $$$$