3743639 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3743639 > 2 > ChemIDplus > 052810783 > 52810-78-3 Practomycin C > 52810-78-3 > 052810783 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=052810783 $$$$