3740845 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3740845 > 2 > ChemIDplus > 039444672 > 2-Butenedioic acid (2Z)-, ammonium salt, homopolymer 39444-67-2 > 39444-67-2 > 039444672 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=039444672 $$$$