3843616 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3843616 > 2 > ChemIDplus > WV0390000 > NIOSH/WV0390000 > Russian comfrey roots Symphytum officinale L., roots WV0390000 > WV0390000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=WV0390000 $$$$