A pentacyclic triterpenoid that is urs-12-ene substituted by hydroxy groups at positions 1, 2, 3 and 23 and a carboxy group at position 28 (the 1β,2α,3α stereoisomer). Isolated from Weigela subsessilis, it exhibits anticomplement activity against complement induced hemolysis.
Stars
This entity has been manually annotated by the ChEBI Team.