4-(1-BROMOVINYL)DIHYDRO-2(3H)-FURANONE

4-(1-METHYL-1-NITROPROPYL)BENZOPHENONE

4-(1,3-BENZOTHIAZOL-3-IUM-3-YL)-1-BUTANESULFONATE

4-(1,5-DIAZABICYCLO(3.2.1)OCT-8-YL)-TOLUENE

4-(2-(((4-ETHOXYBENZOYL)AMINO)AC)CARBOHYDRAZONOYL)-2-MEO-PHENYL 4-BUTOXYBENZOATE

4-(2-(1-NAPHTHOYL)CARBOHYDRAZONOYL)PHENYL 3,4-DIMETHOXYBENZOATE

4-(2-(2-CHLOROETHOXY)ETHOXY)-BENZALDEHYDE

4-(2-(4-CHLOROBENZOYL)ACETAMIDO)BENZOIC ACID

4-(2-(3-CHLORO-PHENOXY)-ACETYLAMINO)-BENZOIC ACID CYCLOHEXYL ESTER

4-(2-(OXO(2-TOLUIDINO)ACETYL)CARBOHYDRAZONOYL)PHENYL 4-BUTOXYBENZOATE

4-(2-Aminoethyl)-1-isopropyl-3,3-diphenyl-2-pyrrolidinone

4-(2-BROMOETHYL)-N-[METHYL(4-METHYLPHENYL)-LAMBDA(4)-SULFANYLIDENE]BENZENESULFONAMIDE

4-(2-CHLORO-3-METHOXYPHENYL)-2,6-DIMETHYL-1,4-DIHYDRO-3,5-PYRIDINEDICARBONITRILE

4-(2-CHLORO-6-FLUORO-PHENYL)-2,6-DIMETHYL-PYRIDINE-3,5-DICARBONITRILE

4-(2-CHLOROBENZYL)-N-(1-(4-FLUOROPHENYL)ETHYLIDENE)-1-PIPERAZINAMINE