3820881 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3820881 > 2 > ChemIDplus > 383198581 > 383198-58-1 CD4-IgG2 PRO 542 PRO-542 > 383198-58-1 > 383198581 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=383198581 $$$$