4-(2-HYDROXYETHOXY)-1,3-PHENYLENEDIAMINE SULFATE

4-(2-PROPYN-1-YLTHIO)-2,3,5,6-TETRACHLOROPYRIDINE

4-(2,4-DIFLUOROPHENYL)-1-(2-METHOXYBENZOYL)SEMICARBAZIDE

4-(2,4-DINITRO-BENZYLIDENE)-5-METHYL-2-PHENYL-2,4-DIHYDRO-PYRAZOL-3-ONE

4-(2,5-DIBUTOXY-4-NITROPHENYL)MORPHOLINE

4-(3-ACETOXYBENZYLIDENE)-2-METHYL-2-OXAZOLIN-5-ONE

4-(3-BENZYLOXY-2-BUTYRYLOXY-PROPYL)-4-METHYL-MORPHOLIN-4-IUM, IODIDE

4-(3-CHLORO-2-METHYLPHENYL)-1-METHYL-1-PHENYLSEMICARBAZIDE

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

4-(4-(2-(4-MEO-PH)-VINYL)-PHENYL)-2,6-DIPHENYL-PYRANYLIUM, TETRAFLUORO BORATE

4-(4-BROMOBENZYLIDENEAMINO)-4H-1,2,4-TRIAZOLE

4-(4-HYDROXY-1-NAPHTHYLAZO)BENZENESULFONIC ACID

4-(4,5-DIHYDRO-4,4-DIMETHYL-2-OXAZOLYL)-5-(2-HYDROXY-2-PH-ET)-3-PHENY LISOXAZOLE

4-(BENZOYLOXY)-2-BROMOPHENYL BENZOATE

4-(BENZYLOXYCARBONYL)PHENYL N-(2,5-DIMETHOXYPHENYL)CARBAMATE