3743788 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3743788 > 2 > ChemIDplus > 053124699 > 53124-69-9 Penicillinic acid > 53124-69-9 > 053124699 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=053124699 $$$$