4-(2-CL-PH)-2-FURAN-2-YL-1,9B-DIHYDRO-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALENE

4-(2-Furyl)aniline hydrochloride

4-(2-HYDROXYBENZYLIDENE)-2-(3,4,5-TRIMETHOXYPHENYL)-2-OXAZOLIN-5-ONE

4-(2-M-TOLYLOXY-ACETYLAMINO)-BENZOIC ACID ETHYL ESTER

4-(2-METHOXY-PHENOXY)-PHTHALONITRILE

4-(2,3-Dihydro-1,4-benzodioxin-6-yl)-4-oxobutanoic acid

4-(2,4-BIS-(2,2-DIMETHYL-PROPYL)-PHENOXY)-N-(4-CHLORO-3-NITRO-PHENYL)-BUTYRAMIDE

4-(2,4-DICHLORO-PHENOXY)-N-O-TOLYL-BUTYRAMIDE

4-(2,4-DIFLUOROBENZYLIDENE)-2-PHENYL-2-OXAZOLIN-5-ONE

4-(2,4-DINITROPHENYLAZO)-1-NAPHTHOL

4-(2,5-DICHLOROPHENYL)-1-(2-HYDROXYBENZOYL)SEMICARBAZIDE

4-(2,5-dioxo-4-phenyl-4-imidazolidinyl)butanoic acid

4-(2,6-DIMETHYL-4-(2-ISOINDOLINYL)PHENYLAZO)BENZONITRILE

4-(3-((4-FLUOROBENZYL)OXY)PHENYL)-2,6-DIMETHYL-1,4-DIHYDRO-3,5-PYRIDINEDICARBONITRILE

4-(3-(2-FLUOROPHENYL)UREIDO)BENZOIC (4-METHYLBENZYLIDENE)HYDRAZIDE