3802597 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3802597 > 2 > ChemIDplus > 097552993 > 97552-99-3 Birch, Betula verrucosa, ext. EINECS 307-153-5 > 97552-99-3 > 097552993 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=097552993 $$$$