3731997 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3731997 > 2 > ChemIDplus > 010463486 > 1-Butene, 3,4-dibromo- 10463-48-6 > 10463-48-6 > 010463486 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=010463486 $$$$