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Heilaohu, the roots of Kadsura coccinea, has been used in Tujia ethnomedicine to treat rheumatic arthritis (RA). Heilaohuacid G (1), a new 3,4‐seco‐lanostane type triterpenoid isolated from the ethanol extract of Heilaohu, whose structure was determined using HR‐ESI‐MS data, NMR spectroscopic analyses, and ECD calculations. In this study, our purpose is to elucidate the mechanisms of Heilaohuacid...
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