3756516 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3756516 > 2 > ChemIDplus > 068477714 > 68477-71-4 Catalytic cracking depropanizer bottoms butane, butylene olefin, hydrocarbon stream EINECS 270-752-4 Gases (petroleum), catalytic-cracked gas oil depropanizer bottoms, C4-rich acid-free Gases (petroleum), catalytic-cracked gas oil depropanizer bottoms,C4-rich acid-free Gases, petroleum, catalytic-cracked gas oil depropanizer bottoms, C4-rich acid-free > 68477-71-4 > 068477714 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068477714 $$$$