Bio-reductive drugs are pro-drugs that can selectively target the hypoxia cells in tumors.In reductive environment, they are reductively metabolized to generate toxic species.

• 生物还原剂是一种具有肿瘤乏氧靶向性的前药,它会在还原性环境中被还原产生具有细胞毒性的代谢物。