3773903 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3773903 > 2 > ChemIDplus > 083930647 > 83930-64-7 AN 20 Antibiotic AN 20 > 83930-64-7 > 083930647 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083930647 $$$$