(4-Bromo-phenyl)-{2-[(4-bromo-phenylamino)-methyl]-benzo[4,5]furo[3,2-d]pyrimidin-4-yl}-amine

Cyclohexyl-(2-cyclohexylaminomethyl-benzo[4,5]furo[3,2-d]pyrimidin-4-yl)-amine

Methyl-(2-methylaminomethyl-benzo[4,5]furo[3,2-d]pyrimidin-4-yl)-amine

2-chloromethyl-4-chlorobenzofuro<3,2-d>pyrimidine

2-mercaptomethyl-3,4-dihydro-4-thiobenzofuro<3,2-d>pyrimidine