3`-suLe^x-C3-PAA-fluo

3`,6-su2LN-C3-PAA

3`,6`-su2LN-C2-PAA-biot

3CzClIPN

4′-Bromostilbene-4-carboxylic acid

4′-Bromo-4-carboxystilbene

4-[(2-Pyrimidinylsulfanyl)methyl]benzoic acid

4-[(Isopropylamino)methyl]-N,N-dimethylaniline

4-[2-(Diisopropylamino)ethoxy]benzaldehyde

4-{[4-(Aminomethyl)-1-piperidinyl]methyl}benzonitrile hydrochloride

4-[5-(Chloromethyl)-1,2,4-oxadiazol-3-yl]-N-cyclohexyl-N-methylbenzamide

4-({[1-(tert-Butoxycarbonyl)-2-piperidinyl]carbonyl}amino)benzoic acid

4-((Pyridin-4-ylthio)methyl)piperidin-4-ol

4-(1,2,3,4-Tetrahydro-2-naphthalenyl)butanoic acid

4-(2-Fluorophenyl)piperidine

[4-(2-Pyridinyl)-1,3-thiazol-2-yl]acetic acid