4-(1-Boc-piperidin-4-yl)butanoic acid

4-(1,7-naphthyridin-8-ylamino)-4-oxobutanoic acid

4-(1H-pyrazol-1-yl)benzenesulfonyl chloride

4-(2-Boc-aminoethyl) piperidine

4-(2-methoxyphenoxy)benzoic acid

4-(2-pyrrolidinoethyl)piperidine

4-(3-amino-2-hydroxypropoxy)phenylacetamide

4-(3,3-dimethyl-ureido)benzoic acid

4-(4-benzylpiperazino)aniline

4-(4-Ethoxy-2,5-dimethyl-phenyl)-4-hydroxy-butyric acid

4-(4-Methylpiperazino)-1,2-benzenediamine

4-(4-tert-Butylphenyl)butanoic acid

4-(5-Formyl-2-furyl)-2-hydroxybenzoic acid

4-(6-chloro-pyridazin-3-yl)-morpholine

[4-(Aminomethyl)tetrahydro-2H-pyran-4-yl]methanol