3761273 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3761273 > 2 > ChemIDplus > 068955317 > 68955-31-7 Butadiene process gas EINECS 273-267-6 Gases, petroleum, butadiene process, inorg. > 68955-31-7 > 068955317 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068955317 $$$$