Triterpene glycosides of Astragalus and their genins. 11. Cyclosiversioside-G-triglycoside from Astragalus sieversianus - Svechnikova, A N; Umarova, R U; Gorovits, M B; Abdullaev, N D; Abubakirov, N K (Khim Prir Soedin, 1983)