Ursane-type triterpenoids from the roots of Rosa multiflora with their anti-inflammatory activity
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Nine ursane-type triterpenoids including three new ones 2α, 19α-dihydroxyurs-3-O-acetyltormentic acid (1), 1α, 2α, 3α, 20β-tetrahydroxyurs -13(18)-en-28-oic acid (2), and 2α, 3α, 20β, 24-tetrahydroxyurs-13(18)-en-28-oic acid (3) were isolated from the... ...
