3820275 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3820275 > 2 > ChemIDplus > 220581497 > 220581-49-7 A recombinant human interferon beta-1a Interferon beta-1a Rebif > 220581-49-7 > 220581497 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=220581497 $$$$