The bioavailability of an anticancer agent is enhanced when the anticancer agent is administered together with a pharmaceutical composition comprising a compound of formula (I) or a pharmaceutically acceptable salt thereof.
当抗癌药物与包含公式(I)化合物或其药学上可接受的盐的制药组合物一起给予时,抗癌药物的
生物利用度得到增强。