| abstract |
PROBLEM TO BE SOLVED: To provide a heterocyclic compound for imaging and treatment of cancer and a method for using the same. A compound having the structure of Formula I, or a pharmaceutically acceptable salt, tautomer, or stereoisomer thereof. [In the formula, R 1 , R 2 are independent, H, hydroxyl, etc .; R 3 is -N 3 , aryl, etc .; R 11a , R 11b , R 11c , R 11d are independent, H, F, Cl, Br, I, hydroxyl, C 1- C 6 alkyl, etc .; X represents -O-, -S (O) 0-2-, etc.] [Selection diagram] Fig. 5 |