| http://www.w3.org/ns/prov#value | - The invention discloses novel interferon-PEG conjugates with unique linkers which connect an amino group in the interferon (IFN) to PEG. The present invention is directed to physiologically active conjugates having the formulae: ##STR1## wherein R is lower alkyl; R1, R2, R3, R4, R'1, R'2, R'3, and R'4 are H or lower alkyl; m is a number up to the number of accessible amino groups in the protein an
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