5-(2-benzyl-2H-indazol-6-yI)-7-[1-(chloroacetyl)pyrrolidin-3-yl]pyrrolo[2,1-f][1,2,4]triazin-4-amine   、                                                                                      
3,3-二氟吡咯烷                                                                                                                                                                                                                                                                                                          以to yield 100 mg (87%) of title compound的产率得到5-(2-benzyl-2H-indazol-6-yl)-7-{1-[(3,3-difluoropyrrolidin-1-yl)acetyl]pyrrolidin-3-yl}pyrrolo[2,1-f][1,2,4]triazin-4-amine