A hexacyclic triterpenoid that is 13,28-epoxyursan-28-one with a terminal double bond between positions 20(30) and is substituted by a hydroxy group at position 3 (the 3β,19α stereoisomer). It is a taraxastane-type triterpene isolated from Hypericum oblongifolium and exhibits enzyme inhibitory activity against chymotrypsin.
Stars
This entity has been manually annotated by the ChEBI Team.