sixty-one flavanones , twenty-six isoflavones and eight other flavonoids , obtained from sophora tomentosa , s. flavescens , scutellaria baicalensis and other medicinal plants or synthesized , were tested for their inhibitory activity against adenosine 3',5'-cyclic monophosphate ( camp ) phosphodiesterase from beef heart .
C0022179
isoflavones
C0596577
flavonoids