4-(4-BUTOXYBENZOYL)-5-(4-ETHYLPHENYL)-3-HYDROXY-1-(5-METHYL-1,3,4-THIADIAZOL-2-YL)-1,5-DIHYDRO-2H-PYRROL-2-ONE

4-(4-CHLORO-2-METHOXYPHENYLAZO)MORPHOLINE

4-(4-Chloro-3-methylphenoxy)phenol

4-(4-CHLORO-M-TOLYLOXY)-BUTYRIC ACID

4-(4-METHOXYPHENYL)-4-METHYL-1-PHENYL-1-CYCLOHEXENE

4-(4-methyl-1-piperazinyl)-2,2-diphenylbutylamine

4-(4-DECYLOXYPHENYLAZO)PHENOL

4-(4-ETHOXY-PHENYL)-4-OXO-BUT-2-ENOIC ACID (4-TERT-BUTYL-PHENYL)-AMIDE

4-(4-Fluorophenyl)-1-(4-methoxyphenyl)-1H-pyrazol-5-amine

4-(4-Fluorophenyl)butan-1-ol

4-(4-HO-BENZYLIDENE-HYDRAZINOCARBONYL)-1-(2-OXO-2-PH-ETHYL)-PYRIDINIUM, BROMIDE

4-(4-HYDROXY-PHENYLAZO)-BENZENESULFONIC ACID

4-(4-ISOPROPYL-PH)-6-ME-2-OXO-1,2,3,4-4H-PYRIMIDINE-5-CARBOXYLIC ACID ET ESTER

4-(4-METHOXY-3-NITRO-PHENYLIMINO)-PENTAN-2-ONE

4-(4-METHOXY-PHENYL)-2,6-DIPHENYL-PYRANYLIUM, PERCHLORATE