Vu Duc Loi, Nguyen Thi Mai Trang, Truong Thi Van Hoai, Nguyen Thuc Thu Huong, Nguyen Thanh Nam

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Tinospora sinensis (Lour.) Merr) grown in Vinh Phuc, Viet Nam is one of the most popular and valuable medicinal medicinal plants in the life. In the research and development program of medicinal materials, based on the use of chromatography methods, have isolated two compounds from bone pain harvests collected in Vinh Phuc. The chemical structure of the two compounds is determined to be decarine (1) and iwamide (2) based on mass spectral and nuclear magnetic resonance data comparing to the spectral data published in the literature refer. This is the first publication of the benzophenanthridine of Tinospora sinensis in Vietnam.