3742858 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3742858 > 2 > ChemIDplus > 051309309 > 1,4-Butanediol, polymer with alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl), alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) and 1,1'-methylenebis(4-isocyanatobenzene) 51309-30-9 > 51309-30-9 > 051309309 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=051309309 $$$$