Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой
Нэвтрэх / Бүртгүүлэх
Cynanester A (I) a new triterpenoid ester was isolated, together with lupeol acetate, lignoceric acid and beta-sitosterol, from Cynanchum chinense R. Br. (Asclepiadaceae). The mass spectrum suggested the presence of caproyl group and lupane skeleton with isopropenyl group in the molecule. Alkaline