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4-Azidobenzoic acid

4-Azidophenacyl bromide

4-Azidophenyl isothiocyanate

4-Benzenesulfonylaminobenzoic acid

4-Benzhydryl-piperazin-1-ylamine

4-Benzo[1,3]dioxol-5-yl-2,3-dihydro-1H-benzo[b][1,4]diazepine

4-Benzo[1,3]dioxol-5-yl-4-hydroxycyclohexanone

4-Benzo[b]thiophen-3-yl-1-methyl-piperidine

4-Benzofuran-2-yl-1,3-thiazol-2-amine

4-Benzofuran carboxylic acid methyl ester