Compound, radiolabeled compound and method for producing same, and radioactive pharmaceutical composition

Abstract

This compound is represented by formula (1). In formula (1), A is a chelate moiety capable of coordinating with radioactive metal ions, B is an atomic group that includes an albumin-binding moiety, C is an atomic group that includes a moiety that binds to a protein expressed in cancer cells, X and Y are each independently a polar α-amino acid residue or a divalent group containing an aromatic ring, L is a substituted or unsubstituted alkylene group having 3 to 8 carbon atoms or an amino acid residue having 2 to 12 carbon atoms, m and n are both 1, or one of m and n is 0 and the other is 1.

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