4,4′-Dimethoxy-2′-hydroxychalcone

4,4'-DIMETHYLOCTAFLUOROBIPHENYL

4,4'-METHYLENEBIS(N-(2-PYRIDYLOXYCARBONYL)ANILINE)

4,4'-METHYLENEBIS(N-(8-QUINOLYLOXYCARBONYL)ANILINE)

4,4'-SULFONYLBIS(2-NITROPHENOL)

4,4'-TRIMETHYLENEBIS(1-(N-(4-ETHOXYPHENYL)THIOCARBAMOYL)PIPERIDINE)

4,4-BIS-ETHOXYCARBONYL-HEPTANEDIOIC ACID

4,4-DIMETHYL-1-(2-METHYL-1,3-DIOXOLAN-2-YL)-6-HEPTEN-3-ONE

4,4,8,8-TETRAMETHYL-3,5,7,9-TETRAOXASPIRO(5.5)UNDECANE

4,5-DICHLORO-BENZENE-1,2-DIOL

4,5-DIHYDRO-1,3-THIAZOL-2-YL 1-ISOQUINOLINYL SULFIDE

4,5-DIHYDRO-4,4,6-TRIMETHYL-2-PYRIMIDINETHIOL

4,5-DIMETHOXY-2-NITROBENZALDEHYDE OXIME

4,5-DINITRO-9-OXO-9H-FLUORENE-2,7-DISULFONIC ACID BIS-[(3-HYDROXY-PROPYL)-AMIDE]

4,5-DINITRO-9-OXO-9H-FLUORENE-2,7-DISULFONIC ACID BIS-ETHYLAMIDE