There is disclosed a multidrug resistance inhibitor for overcoming a multidrug resistance of cancer, or an agent for enhancing the activity of anti-cancer agents, which comprises as an active ingredient a compound of formula (I) or a pharmaceutically acceptable salt thereof:
wherein
n is an integer of 5 to 12,
R1 and R2 are each independently benzyl, of which a phenyl ring may be substituted by 1 to 5 substituents selected from hydroxy, (C1-C4)alkyl, (C1-C4)alkoxy and halogen, and/or by methylenedioxy, with the proviso that R1 and R2 are simultaneously not a compound of formula (II)
本发明公开了一种用于克服癌症多药耐药性的多药耐药性
抑制剂,或一种用于增强抗癌剂活性的制剂,其活性成分包括式(I)化合物或其药学上可接受的盐:
其中
n 是 5 至 12 的整数、
R1 和 R2 各自独立地为苄基,其中一个苯基环可被 1 至 5 个选自羟基、(C1-C4)烷基、(C1-C4)烷氧基和卤素的取代基取代,和/或被亚甲基二氧基取代,但 R1 和 R2 同时不是式(II)化合物