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A new triterpenoid, 3b, 4b, 23-trihydroxy-24, 30-dinorolean-12, 20(29)-dien-28-oic acid, together with five known compounds, 2a, 3b, 23-trihydroxy-12-oleanen-28-oic acid-b-D-glucopyranosyl ester, palbinone, 2-hydroxy-benzoic acid, vanillic acid, syringic