3745345 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3745345 > 2 > ChemIDplus > 056592393 > 56592-39-3 alpha-Cephalosporin > 56592-39-3 > 056592393 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=056592393 $$$$