4', 5-Dichloro-2-thienylchalcone

4', 5-Dichlorosalicylanilide

4', 5-Dihydroxydiclofenac

4', 5-Diiodosalicylanilide

4', 5-Dimethylangelicin

4', 6'-Diamino-3'-methyl-1'-phenylazo-3-pyridine

4', 6, 7-Trihydroxyisoflavone

4', 6-Bis(2'imidazolinyl-4', 5'-H)-2-phenylindole

4', 6-Dichloroflavan

4', 6-Dicyanoflavan

4', 6-Dihydroxy-5, 7-dimethoxyflavone

4', 6-Dihydroxyflavone

4', 7'-Dimethoxy-1'-methyl-5-(4-methyl-1-piperazinyl)-(2, 5'-bi-1H-benzimidazole)-2'-methanol

4', 7'-Dimethoxy-2'-(methoxymethyl)-1'-methyl-5-(4-methyl-1-piperazinyl)-2, 5'-bi-1H-benzimidazole

4', 7, 8-Trihydroxyisoflavone

4', 7-Di-O-(beta-hydroxyethyl)rutoside

4', 7-Dihydroxy-3-methoxy-5, 6-dimethylflavone

4', 7-Dihydroxyflavone

4', 8-Bis(O-alpha-L-arabinofuranosyl)-alpha-peltatin-A

4'-((2-Butyl-4-(hydroxymethyl)-5-chloro-1H-imidazolyl)methyl)-2', 6'-dimethoxy(1, 1'-biphenyl)-2-carboxylic acid