The present invention provides compounds of formula I
and pharmaceutically acceptable salts thereof.
The formula I compounds inhibit tyrosine kinase activity of Trk receptors such as TrkA, TrkB, TrkC or Flt-3 thereby making them useful as antiproliferative agents.
本发明提供了公式I化合物及其药学上可接受的盐。公式I化合物抑制Trk受体的
酪氨酸激酶活性,如TrkA、TrkB、TrkC或Flt-3,因此使它们成为抗增殖剂。