1-Cinnamoyl-3-hydroxypyrrolidine is a natural product from Piper nigrum.

Cucurbitacin IIb is one of the major active compounds in Hemsleyadine tablets which have been used for clinical treatment of bacillary dysentery, enteritis and acute tonsilitis.

Ganoderic acid X is a potential Mdm2 inhibitor(K(i) = 16nM). It is a potential anticancer drug, inhibits topoisomerases and induces apoptosis of cancer cells.