3764504 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3764504 > 2 > ChemIDplus > 071130751 > 2-Butene-1,4-diol, 2,3-dibromo-, polymer with alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) and 1,1'-methylenebis(4-isocyanatobenzene) 71130-75-1 > 71130-75-1 > 071130751 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=071130751 $$$$