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Antiulcer, antiinflammatory, and antiallergic agent comprising as the main ingredient olean-12-ene-3.beta., 30-diol which is devoid of side effects of glycyrrhetinic acid and a new process for preparation of olean-12-ene-3.beta., 30-diol

US Patent 4374284 · Granted Feb 15, 1983

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