3743670 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3743670 > 2 > ChemIDplus > 052876263 > 52876-26-3 Benzo(1,2)pyreno(4,5-b)oxirene Benzo(a)pyrene-4,5-oxide > 52876-26-3 > 052876263 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=052876263 $$$$