3749506 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3749506 > 2 > ChemIDplus > 064784812 > 64784-81-2 Poly(oxy-1,4-butanediyl), alpha-hydro-omega-hydroxy-, polymer with alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) and 1,1'-methylenebis(4-isocyanatobenzene) > 64784-81-2 > 064784812 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=064784812 $$$$