| http://www.w3.org/ns/prov#value | - In still further aspects of the invention, Z-CINN-X1A compositions are derivatized utilizing the reactive Z site of Formula I. In particular, when R8 is (CR9R10)-NR22-R11, and R1 is L-B, the artisan is provided with light activatable prodrugs which are linked to, among other things, targeting antibodies or polymers such as PEG or other polymers.
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