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

4-(4-NITROPHENYLAZO)-2,6-DICHLOROPHENOL

4-(4-tert-Butoxycarbonylpiperazinyl)phenylboronic acid pinacol ester

4-(DIOXO-ISOINDOL-YL)-N-(2-OXO-2-(TETRAOXA-AZA-CYCLOPENTADEC-YL)-ET)-BUTYRAMIDE

4-(ETHOXYCARBONYL)PHENYL N-(5-CHLORO-2,4-DIMETHOXYPHENYL)CARBAMATE

4-(Ethylamino)-6-methyl-2-(methylsulfanyl)-5-pyrimidinecarbaldehyde

4-(HEPTYLOXY)ANILINE

4-(HEXADECYLTHIO)BENZENESULFONIC ACID

4-(HYDROXYMETHYL)CYCLOHEXANOL

4-(M-TOLYLTHIO)ANILINE

4-(METHOXYMETHOXY)-ALPHA-METHYLBENZYL ALCOHOL

4-(6-METHYL-2-NAPHTHYL)BUTANOIC ACID

4-(N-(2-ETHOXYPHENYL)CARBAMOYL)PHTHALIC ANHYDRIDE

4-(N-(2,4,5-TRICHLOROPHENYL)CARBAMOYL)MORPHOLINE

4-(N-(3-CHLORO-2-METHOXYPHENYL)CARBAMOYL)-2,6-DIMETHYLMORPHOLINE