4-[(3-aminopropyl)amino]-4-oxobutanoic acid

4-[(7-chloro-1-oxido-4-quinolinyl)amino]-2-{[ethyl(2-hydroxyethyl)amino]methyl}phenol

4-[(dibutylamino)sulfonyl]benzoic acid

4-[[(E)-PHENYLMETHYLIDENE]AMINO]-1-NAPHTHOL

4-{1-[4-(BENZOYLOXY)-3-METHYLPHENYL]-1-METHYLETHYL}-2-METHYLPHENYL BENZOATE

4-[2-(diethylamino)ethyl]-2-phenyl-3,4-dihydro-1,4-benzothiazepin-5(2H)-one hydrochloride

{4-[4-(Methylsulfonyl)phenyl]-1,3-thiazol-2-yl}acetic acid

4-({[(Aminocarbothioyl)amino]carbothioyl}amino)-N,N-diethylbenzamide

4-((E)-2-{6-[(E)-2-(4-hydroxy-3-methoxyphenyl)ethenyl]-2-pyridinyl}ethenyl)-2-methoxyphenol hydrochloride

4-(2-(tert-Butoxycarbonyl)-5-oxo-2,6-diazaspiro[3.6]decan-6-yl)benzoic acid

4-(2-Hydroxyethoxy)benzaldehyde

4-(2-pyridinyl)-3,4-dihydro-1(2H)-naphthalenone hydrochloride

4-(3-(Pyrrolidin-1-ylmethyl)phenyl)piperidine hydrochloride

4-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)piperidine hydrochloride

4-(3,4-Dihydroxyphenyl)-6,7-dihydroxy-3a,4,9,9a-tetrahydronaphtho[2,3-c]furan-1(3H)-one