3758817 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3758817 > 2 > ChemIDplus > 068647610 > 68647-61-0 EINECS 271-961-3 Hydrocarbons, C4-5, tert-amylene concentrator by-product Isopentane raffinate, by-product Tertiary amylene concentrate, by-product > 68647-61-0 > 068647610 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068647610 $$$$