3755972 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3755972 > 2 > ChemIDplus > 068441598 > 1,4-Butanediol, polymer with alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) and 1,1'-methylenebis(4-isocyanatobenzene), Me Et ketone oxime-blocked 68441-59-8 > 68441-59-8 > 068441598 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068441598 $$$$