200302 -OEChem-02060822402D 0 0 0 0 0 0 0 0 0999 V2000 M END > 200302 > 3 > ChemIDplus > 977089669 > 977089669 > Ion-exchange membrane > 977089669 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=977089669 $$$$