3739920 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3739920 > 2 > ChemIDplus > 037359107 > 37359-10-7 Antibiotic XK 33 F2 XK-33-F-2 > 37359-10-7 > 037359107 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=037359107 $$$$