Naringenin triacetate exhibits a better binding affinity with multiple crystal structures of first bromodomain BRD4 (BRD4 BD1) when compared with the known inhibitors.

Reptoside, which can be extracted from the roots and above-ground parts of Cortex Eucommiae and Ajuga chamaepitys (L.) Schreb, is one of the active cyclic enol ether terpene glycosides of Cortex Eucommiae for the treatment of osteoporosis.

3-Hydroxykynurenine (3-hydroxy-DL-Kynurenine) is an active metabolite of tryptophan and inhibits yeast and rat liver aldehyde dehydrogenase by 97 and 69%.