H-γ-Glu-Gln-OH
H-γ-Glu-Gln-OH is a hydrophilic peptide and can be conjugated to dr_ug. The carrier composed of H-γ-Glu-Gln-OH has the characteristics of high water solubility and dr_ug-loading capacity, good biocompatibility, low toxicity, improved tumor targeting ability, and anti-tumor efficacy[1].