Provided is a conjugate of a cytotoxic drug/molecule to a cell-binding molecule with a bis-linker (adual-linker) containing a 2, 3-diaminosuccinyl group. It also relates to preparation of the conjugate of a cytotoxic drug/molecule to a cell-binding molecule with the bis-linker, particularly when the drug having functional groups of amino, hydroxyl, diamino, amino-hydroxyl, dihydroxyl, carboxyl, hydrazine, aldehyde and thiol for conjugation with the bis-linker in a specific manner, as well as the therapeutic use of the conjugates.
提供的是将细胞毒性药物/分子与含有双联接剂(双联接剂)的细胞结合分子结合的共轭物。它还涉及将细胞毒性药物/分子与双联接剂的细胞结合分子结合的制备,特别是当药物具有
氨基,羟基,二
氨基,
氨基-羟基,二羟基,羧基,双
肼,醛基和
硫醇等功能基团以特定方式与双联接剂结合时,以及这些共轭物的治疗用途。