3744746 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3744746 > 2 > ChemIDplus > 055187569 > 55187-56-9 Antibiotic BU 1880 BU-1880 BU-1975-B > 55187-56-9 > 055187569 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=055187569 $$$$