6-hydrazinyl-1-isobutyl-3-methylpyrimidine-2,4(1H,3H)-dione   、                                                                                      
3-甲醛苯并噻吩   、                                                                                      
tert-butyl 2-formyl-1-methyl-1H-imidazol-4-ylcarbamate                                                                                                                                                                                                                                                                                                          生成                                                 tert-butyl 2-[2-(1-benzothien-3-ylmethyl)-7-isobutyl-5-methyl-4,6-dioxo-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-d]pyrimidin-3-yl]-1-methyl-1H-imidazol-4-ylcarbamate