3749494 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3749494 > 2 > ChemIDplus > 064771773 > 64771-77-3 Poly(oxy-1,4-butanediyl), alpha-hydro-omega-hydroxy-, polymer with 1,3-diisocyanato-2-methylbenzene and 2,4-diisocyanato-1-methylbenzene > 64771-77-3 > 064771773 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=064771773 $$$$