4(4-BENZYLOXY-PH)-6-ME-2-THIOXO-1,2,3,4-4H-PYRIMIDINE-5-CARBOXYLIC ACID ME ESTER

4(9-CL-2(2-NAPHTHYL)1,10B-DIHYDROPYRAZOLO(1,5-C)(1,3)BENZOXAZIN-5-YL)PH ME ETHER

4a,6a-dimethyl-3,4,4a,4b,6,6a,9a,10,10a,10b,11,12-dodecahydro-2H-naphtho[2',1':4,5]indeno[2,1-b]furan-2,5,8-trione

4(3-BR-4,5-DI-MEO-PH)-2,7,7-TRI-ME-5-OXO-1,4,5,6,7,8-6H-QUINOLINE-3-CARBONITRILE

4arm-PEG10K-Vinylsulfone

4arm-PEG40K-Maleimide

4臂-PEG-马来酰亚胺

4,4'-HEXAMETHYLENEBIS(1-PHENYLSEMICARBAZIDE)

4,4'-METHYLENEBIS(1-BENZYL-1-METHYL-3-PHENYLUREA)

4,4'-METHYLENEBIS(1,1-DICYCLOHEXYL-3-PHENYLUREA)

4,4'-METHYLENEBIS(3-PHENYL-1-PROPYLUREA)

5′-Chloro-2′-hydroxy-4′-methoxychalcone

5'-CHLORO-2'-METHYL-3-NITROBENZENESULFONANILIDE

5'-CHLORO-2',4'-DIMETHOXYBUTYRANILIDE

5′-Chloro-2,5-dimethoxy-2′-hydroxy-4-methylchalcone

5′-Fluoro-2′-hydroxy-4-methylchalcone