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