3735521 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3735521 > 2 > ChemIDplus > 021356627 > 1403-49-2 21356-62-7 Esperin > 1403-49-2 21356-62-7 > 021356627 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=021356627 $$$$