4′-Nitrocinnamic acid

4-[(2E)-3-(3,4,5-trimethoxyphenyl)-2-propenoyl]morpholine

4-[(4-{[2-(Diethylamino)ethyl]amino}-1-naphthyl)amino]-4-oxobutanoic acid

4-{[(benzyloxy)carbonyl]amino}benzoic acid

4-[(E)-2-Phenyldiazenyl]phenyl palmitate

4-[(phenylsulfonyl)amino]benzoic acid

{4-[2-(4-Morpholinyl)ethoxy]phenyl}acetic acid

4-[2-Methoxy-5-(trifluoromethyl)phenyl]piperidine hydrochloride

4-[6-(acetyloxy)-2-naphthyl]phenyl acetate

4-({Methyl[2-(2-pyridinyl)ethyl]amino}methyl)-4-piperidinol

4-(1H-Indol-1-yl)butanoic acid

4-(2-Bromobutanoyl)morpholine

4-(2-Oxo-2-(piperazin-1-yl)ethyl)-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one hydrochloride

4-(2,3-dihydro-1-benzofuran-2-yl)piperidine hydrochloride

4-(3-Bromophenyl)-2-methoxy-5-methylpyrimidine