Disclosed herein are novel 4-anilinofuro[2,3-b]quinoline derivatives of formula (I)：or a pharmaceutically acceptable salt thereof, wherein each of the substituents is given the definition as set forth in the Specification and Claims.Also disclosed are the preparation processes of these derivatives and their uses in the manufacture of pharmaceutical compositions for use in the treatment of cancers.本發明揭示具有下列化學式(I)之新穎的4-苯胺基呋喃[2,3-b]喹啉衍生物：或者它們的一藥學上可接受的鹽類，其中各個取代基的定義是如說明書與申請專利範圍中所界定者。本發明亦揭示此等衍生物的製備方法以及它們在製備供用於治療癌症的藥學組成物上的用途。
