(2009/12/28)
2-[2-(4-bromophenyl)-5,8-dioxaspiro[3.4]oct-2-yl]-1H-isoindole-1,3(2H)-dione
2-(4-bromophenyl)-5,8-dioxaspiro[3.4]octan-2-amine
N-ethoxycarbonylphthalimide
tert-butyl [2-(4-bromophenyl)-5,8-dioxaspiro[3.4]oct-2-yl]carbamate
2-[1-(4-bromophenyl)-3-oxocyclobutyl]-1H-isoindole-1,3(2H)-dione