3836570 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3836570 > 2 > ChemIDplus > RY4725000 > NIOSH/RY4725000 > Penicillin, ammonium salt Penicillium ammonium RY4725000 > RY4725000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=RY4725000 $$$$