3758308 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3758308 > 2 > ChemIDplus > 068606348 > 68606-34-8 C4 Stream (butylene conc) EINECS 271-742-2 Gases, (petroleum), depropanizer bottoms fractionation off Gases, petroleum, depropanizer bottoms fractionation off > 68606-34-8 > 068606348 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068606348 $$$$