3745444 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3745444 > 2 > ChemIDplus > 056779192 > 1,4-Butanediamine, 2-methyl-, polymer with alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) and 1,1'-methylenebis(4-isocyanatocyclohexane) 56779-19-2 Polyurethane Y-225 > 56779-19-2 > 056779192 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=056779192 $$$$