3748906 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3748906 > 2 > ChemIDplus > 063993486 > 63993-48-6 Antibiotic SF 1540 SF 1540 > 63993-48-6 > 063993486 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=063993486 $$$$