3727173 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3727173 > 2 > ChemIDplus > 000187859 > 187-85-9 Dinaphtho(2,3-d:2',3'-d')naphtho(2,1-b:7,8-b')difuran > 187-85-9 > 000187859 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=000187859 $$$$