2-(2-bromopropionylamino)-6-butyl-5-[[2'-cyanobiphenyl-4-yl)methyl]pyrimidin-4-one                                                                                                                                                                                                                                                                                                          生成                                                 7-butyl-6-[(2'-cyanobiphenyl-4-yl)methyl]-3-methylimidazo[1,2-a]pyrimidin-2,5-dione   、                                                                                             
5-butyl-6-[(2'-cyanobiphenyl-4-yl)methyl]-3-methylimidazo[1,2-a]pyrimidin-2,7-dione