4-{[1-(3,4-Dimethoxyphenyl)ethyl]amino}-4-oxobutanoic acid

4-[2-(5-Chloro-2-methoxybenzamido)ethyl]benzenesulfonamide

4-[2-(5-氯-2-甲氧基苯甲酰氨基)乙基]苯磺酰胺

4-[4-(chlorosulfonyl)-2-methylphenoxy]butanoic acid

4-[Ethyl(methyl)amino]benzaldehyde

4-(1-Pyrrolidinylmethyl)piperidine

4-(1H-Naphtho[1,2-e][1,3]oxazin-2(3H)-yl)benzoic acid

4-(2-Boc-aminoethyl) piperidine

4-(2-Oxiranylmethyl)morpholine

4-(2,4,6-trichlorophenyl)-3-thiosemicarbazide

4-(3-nitrophenyl)-3-thiosemicarbazide

[4-(4-Bromo-1H-pyrazol-1-yl)-3-fluorophenyl]amine

[4-(4-methoxy-3-methylphenyl)-1,3-thiazol-2-yl]methanamine

4-(4-Pyridinylsulfanyl)pyridine

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

4-(acetylamino-methyl)-benzenesulfonyl chloride