Compounds of a certain formula I, in which R1, R2, R3 and R4 have the meanings indicated in the description, are effective Eg5-inhibiting compounds with anti-proliferative and/or apoptosis inducing activity.
某式 I 的化合物(其中 R1、R2、R3 和 R4 的含义如描述所示)是有效的 Eg5 抑制化合物,具有抗增殖和/或诱导细胞凋亡的活性。