| http://www.w3.org/ns/prov#value | - The present invention is directed to physiologically active protein conjugates having the formula: ##STR1## wherein R is lower alkyl; R2 is --O-- or --NH--; R3 is ???N--R4, ???S or ???O; R4 is a lower alkyl or cycloalkyl group and m and n are selected from any combination of numbers such that the conjugate has at least a portion of the biological activity of the protein which forms the conjugate;
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