3754403 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3754403 > 2 > ChemIDplus > 068225490 > 68225-49-0 Poly(oxy-1,4-butanediyl), alpha-(((3-isocyanato-4(or 6)-methylphenyl)amino)carbonyl)-omega-((((3-isocyanato-4(or 6)-methylphenyl)amino)carbonyl)oxy)- > 68225-49-0 > 068225490 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068225490 $$$$