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

3`,6-su₂LN-C3-PAA-biot

3`SLN-C3-PAA-biot

4′-Aminodibenzo-18-crown-6

4′-氨基二苯并-18-冠醚-6

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

{4-[(tert-Butoxycarbonyl)amino]-1-piperidinyl}(phenyl)acetic acid

4-[3-(Dimethylamino)-2-methylpropoxy]benzaldehyde

4-[5-(Chloromethyl)-1,2,4-oxadiazol-3-yl]-N-(2,2,2-trifluoroethyl)benzamide

4-({2-[(tert-Butoxycarbonyl)amino]ethyl}amino)-2-phenyl-5-pyrimidinecarboxylic acid

4-(1-Methyl-1H-imidazol-2-yl)benzaldehyde

4-(2-Chlorophenoxy)piperidine

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

4-(3-(Piperazin-1-yl)propoxy)benzoic acid

4-(3,4-Difluorophenyl)-1,3-thiazole-2-carbaldehyde

4-(4-Fluorophenylthio)piperidine carbonate