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Alopecines A-E (1-5), five uncommon matrine-type alkaloids featuring with yet another dichlorocyclopropane (1-3) or a di/tri-chloromethyl (4/5) attached on the D ring, were isolated through the seeds of Sophora alopecuroides. Their structures and absolute designs were elucidated by considerable spectroscopic techniques, and X-ray diffraction analyses or time-dependent density functional theory-based electronic circular dichroism (TDDFT-ECD) computations. Alkaloid 4 exhibited potent i
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