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The structures of two new triterpenoid acids, anwuweizonic acid (1) and manwuweizic acid (2), from Schisandra propinqua are elucidated by spectroscopic evidence and chemical correlation. Compound 2 shows significant inhibitory activity against Lewis lung cancer, brain tumor-22, and solid hepatoma in mice, and exhibits no cytotoxic action in vitro.
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Liu et al. (1988) studied this question.
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