| The present disclosure provides a PEGylated boronotryptophan derivative and the preparation process thereof, a pharmaceutical composition including the PEGylated boronotryptophan derivative, and uses of the PEGylated boronotryptophan derivative for treating tumor and for PET scanning for assessing pharmacokinetics for boron neutron capture therapy of tumors and quantifying drug concentrations to calculate pharmacokinetics. The PEGylated boronotryptophan derivative and the pharmaceutical composition including the PEGylated boronotryptophan derivative of the present disclosure achieve the effect of treating tumor and being used for PET scanning for assessing the pharmacokinetics for boron neutron capture therapy of tumors and quantifying drug concentrations to calculate pharmacokinetics through various efficacy experiments. |