4-NITROBENZENESULFENAMIDE

4-NITROBENZOYL ISOTHIOCYANATE

4-P-TOLYL-PYRIMIDINE

4-PENTADECYLOXY-10-OXA-4-AZA-TRICYCLO(5.2.1.0(2,6))DEC-8-ENE-3,5-DIONE

4-PHENETHYL-BENZOIC ACID

4-phenoxybenzohydrazide

4-PHENYL-1-(PHENYLSULFONYL)-3-THIOSEMICARBAZIDE

4-PHENYL-1,2-DIHYDRONAPHTHALENE

4-Phenyl-2-(3-pyridyl)thiazole

4-PHENYL-2,6-DIPROPYL-PYRANYLIUM, PERCHLORATE

4-phenyl-4-(2-pyrazinyl)-1-butanamine hydrochloride

4-PHENYL-5-PHENYLAMINO-2,4-DIHYDRO-(1,2,4)TRIAZOLE-3-THIONE

4-Phenyl(napthalene-1-yl)boronic acid

4-PYRIDYLMETHYL N-(2,4-DIMETHYLPHENYL)CARBAMATE

4-Styrylpyridine