4-CL-N(4((2-((2-HO-1-NAPHTHYL)METHYLENE)HYDRAZINO)CARBONYL)PH)BENZENESULFONAMIDE

4-CYANO-7-DIETHYLAMINO-3-(METHOXYCARBONYLACETYL)COUMARIN

4-CYANOBENZYL 2,4,6-TRIMETHYLBENZOATE

4-CYANOPHENYL N-(2,3-DICHLOROPHENYL)CARBAMATE

4-CYANOPHENYL N-(3-NITROPHENYL)CARBAMATE

4-cyanophenyl sulfamate

4-CYCLOHEXYL-1-(4-DIMETHYLAMINOBENZYLIDENE)-3-THIOSEMICARBAZIDE

4-CYCLOHEXYL-5-(2,4-DICHLOROPHENYL)-4H-1,2,4-TRIAZOLE-3-THIOL

4-CYCLOPENTENE-1,3-DIOL

4-DIBENZOTHIOPHENECARBOXYLIC ACID

4-DIETHYLSULFAMOYL-N-(1,1-DIOXO-2,3-DIHYDRO-1H-THIOPHEN-3-YL)N-P-TOLYL-BENZAMIDE

4-DIMETHYLAMINOMETHYLENE-5-METHYL-2-PHENYL-2,4-DIHYDRO-PYRAZOL-3-ONE

4-ETHOXY-3-METHOXYCINNAMIC ACID

4-Ethoxy-N-[(E)-phenylmethylidene]aniline

4-ETHOXYCARBONYL-1-(2-(4-FLUORO-PHENYL)-2-OXO-ETHYL)-PYRIDINIUM, BROMIDE