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Abstract
Two new triterpeniods, 1ß, 2a, 3ß, 19a-tetrahydroxyurs-12-ene-28-oate and 1ß, 2ß, 3ß, 19-a-tetrahydroxyurs-12-ene-28-oate, have been isolated from the whole plant of Centipeda minima and their structure elucidated on the basis of chemical and spectral evidence.