4-Chloro-2-cyclopropyl-6-(2-methyl-1H-imidazol-1-yl)pyrimidine

4-Chloro-5,6-dimethyl-2-(methylsulfonyl)pyrimidine

4-Fluoro-2-(2-methoxyethoxy)-1-nitrobenzene

4-Hydroxy-4-phenylcyclohexan-1-one

4-Methyl-2-(1-piperazinyl)-6-(trifluoromethyl)pyrimidine hydrochloride

4-Methylpentanimidamide

4-Propyltetrahydro-2H-pyran-4-carboximidamide

4-suGalNAcα-C3-PAA-biot

4-suGlcNAcβ-C2-PAA-fluo

4,4-Diaminobut-3-enoic acid

4,6-Diaminonicotinamide

4,6,7-Trimethoxy-2(1H)-quinolinone

4`,6`-su2LacdiNAc-C3-PAA

5-[(3-Methyl-2-oxo-1(2H)-pyridinyl)methyl]-2-furoic acid

5-{[Cyclohexyl(methyl)amino]methyl}-1-methyl-1H-pyrazole-3-carboxylic acid