3811967 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3811967 > 2 > ChemIDplus > 126603041 > 126603-04-1 Topostin B > 126603-04-1 > 126603041 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=126603041 $$$$