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Two new eremophilenolides (3β-angeloyloxy-8β, 10β-dihydroxy-6β-ethoxyeremophile- nolide (1) and 3β, 6β-diangeloyloxy-8α-methoxy-10α-hydroxyeremophilenolide (2) were isolated from the roots of Cacalia ainsliaeflora.Their structures were elucidated by spect