3743991 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3743991 > 2 > ChemIDplus > 053571214 > 53571-21-4 Nocobactin NA Nocobactins > 53571-21-4 > 053571214 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=053571214 $$$$