The cytotoxic assay showed that the conjugate had a selective killing to human hepatic cancer cell line BEL_(7404), which 41. 2% BEL_(7404) cell was killed at a concentration of 10~(-9)mol/L,the conjugate was no toxic to. SL_7.

• 体外细胞毒结果表明:结合物对靶细胞具有良好的导向杀伤作用；在10~(-9)mol/L浓度时对人肝癌细胞株BEL7404的杀伤率为41.；2%25；对正常细胞SL_7的杀伤力很弱。