4-(2-CHLOROPHENYL)BUT-3-EN-2-ONE

4-(2-FLUOROPHENYL)-3-THIOSEMICARBAZIDE

4-(2-FURIL)-3-BUTEN-2-ONE

4-(2-FURYL)-2-OXO-6-(2-THIENYL)-1,2-DIHYDRO-3-PYRIDINECARBONITRILE

4-(2-FURYLMETHYL)-1LAMBDA6,4-THIAZINANE-1,1-DIONE

4-(2-HYDROXYANILINO)-1,2-DIHYDRONAPHTHALENE-1,2-DIONE

4-(2-HYDROXYETHYL)BENZONITRILE

4-(2-Hydroxyethyl)phenylboronicacid

4-(2-METHOXYETHYL)-THIOSEMICARBAZIDE

4-(2-PYRIDYLAZO)RESORCINOL

4-(2-THIENYL)BENZOIC ACID