4-(4-METHOXYPHENYLAZO)-2,3,5,6-TETRAFLUOROPYRIDINE

4-(4-Cyanophenyl)-2-methylthiazole

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

4-(4-FLUOROPHENYL)-1,3-THIAZOL-2-OL

4-(4-HEXADECYLOXY-3-NITROPHENYLSULFONYL)-MORPHOLINE

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

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

4-(4-METHOXY-BENZYLIDENE)-5-METHYL-2-(4-NITRO-BENZOYL)-2,4-DIHYDRO-PYRAZOL-3-ONE

4-(4-METHYLPHENYL)-4A,5,6,7,8,8A-HEXAHYDRO-1(2H)-PHTHALAZINONE

4-(4-NITRO-1,3-DIOXO-1,3-DIHYDRO-2H-ISOINDOL-2-YL)BUTANOIC ACID

4-(4,5-Dihydroxy-9-methyl-3-oxo-1,3-dihydronaphtho[2,3-c]furan-1-yl)-2,3,6-trihydroxybenzamide

4-(5-(2-CL-PH)-FURAN-2-YLMETHYLENE)-5-METHYL-2-PHENYL-2,4-DIHYDRO-PYRAZOL-3-ONE

4-(5-BROMO-2-ETHOXYBENZYLIDENE)-2-PHENYL-2-OXAZOLIN-5-ONE

4-(5-CHLORO-2-METHOXYPHENYL)-1-(ETHOXYCARBONYL)SEMICARBAZIDE

4-(5-Iodo-pyridin-2-yl)-morpholine