5-(9-cyclopentyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)picolinic acid   、                                                                                      
O-(7-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate   、                                                                                      
4-氨基-1-甲基哌啶                                                                                                                                                              在
                                                                                                                                                                                 amide   、                                                                                                  final compound                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
5-(9-cyclopentyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-N-(1-methylpiperidin-4-yl)picolinamide