| http://www.w3.org/ns/prov#value | - ine, an amide, an ether, a polyether, a polyamide, an ester, a mercaptan, a urea, a thiourea, a guanidyl, or a carbamoyl group; Z is selected from the group consisting of spermiyl, spermidiyl, amino acid, peptidyl, diaminoalkyl, and polyamine; R7 and R8 are independently H or a carbohydrate; and l is an integer from 1 to about 4; wherein Q is as defined above, preferably N; at least one of R1 and
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