Triterpenoid saponins from Anemone rivularis var. flore-minore

► Six saponins were first reported from Anemone rivularis var. flore-minore.
► One of them is a new compound with gypsogenin as aglycone.
► This type of aglycone is first reported in genus Anemone.
► Maybe the title plant contains different enzyme from other plants of this genus.
► The chemotaxonomic significance of the other five saponins was also discussed.