The present invention relates to compounds for use as therapeutic agents, particularly in the treatment and/or prevention of proliferative disorders, such as cancer, especially brain cancers/tumours, wherein the compounds are generally defined by the formula I: wherein A is an aryl or heteroaryl ring system; and R1 to R 4 are various possible substituent groups, provided that at least one of an R2 group, the R3 group, or an R4 group is or comprises a hydroxy, amino, NH(R x ), or mercapto group.
本发明涉及化合物作为治疗剂的用途,特别是在治疗和/或预防增生性疾病,如癌症,特别是脑癌/肿瘤方面的应用,其中该化合物通常由公式I定义:其中A是芳基或杂环芳基环系统;R1至R4是各种可能的取代基,但至少一个R2基团、R3基团或R4基团是或包含一个羟基、
氨基、NH(Rx)或巯基。