3728594 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3728594 > 2 > ChemIDplus > 002152025 > 2152-02-5 9-(Fluoren-9-ylidenebenzyl)fluorenyl EINECS 218-437-2 > 2152-02-5 > 002152025 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=002152025 $$$$