A 2-nitroimidazole derivative of the formula:
wherein Rf is a fluorine-containing organic group which has at least one fluorine atom on a carbon atom which bonds to the nitrogen atom of the imidazole ring or a carbon atom which bonds to said carbon atom and a radiosensitizer comprising said nitroimidazole derivative.
                            式中的 
2-硝基咪唑衍
生物:
其中 Rf 是含
氟有机基团,该有机基团在与
咪唑环氮原子结合的碳原子上或与所述碳原子结合的碳原子上至少有一个
氟原子,以及包含所述硝基
咪唑衍
生物的放射增敏剂。