has role is protonated form of has parent hydride glycyrrhetinate pentacyclic triterpenoid glycyrrhetinic acid A pentacyclic triterpenoid that is olean-12-ene substituted by a hydroxy group at position 3, an oxo group at position 11 and a carboxy group at position 30. CHEBI:30853 antidepressant hydroxy monocarboxylic acid cyclic terpene ketone oleanane anti-ulcer drug immunomodulator plant metabolite