3820488 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3820488 > 2 > ChemIDplus > 254450798 > 254450-79-8 Benzene, 1,1'-methylenebis(4-isocyanato-, homopolymer, di-Et malonate- and iso-Bu alc.-blocked > 254450-79-8 > 254450798 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=254450798 $$$$