2,4-dichloro-7-[(2,4-dichloropyrrolo[2,3-d]pyrimidin-7-yl)methyl]pyrrolo[2,3-d]pyrimidine

1-bromo-2-methylidenecyclopropane

diethyl 2,4-dicyanopentanedioate

bis(bromomethyl)-tert-butyl-methylsilane

丁基环丙烷