3737435 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3737435 > 2 > ChemIDplus > 028652440 > 2-Butenedioic acid (2E)-, polymer with 2,2'-oxybis(ethanol) and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione 28652-44-0 > 28652-44-0 > 028652440 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=028652440 $$$$