3778542 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3778542 > 2 > ChemIDplus > 085251667 > 85251-66-7 Birch, Betula lenta, ext. EINECS 286-478-3 > 85251-66-7 > 085251667 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=085251667 $$$$