Cycloastragenol is isolated from Astragalus species. Synonyms: Astramembrangenin; Cyclosieversigenin; Cyclosiversigenin; GRN510; TAT2; (3beta,6alpha,16beta,20R,24S)-20,24-Epoxy-9,19-cyclolanostane-3,6,16,25-tetrol; Astramembrangenin; Cyclogalegigenin; Cyclosieversigenin Molecular Formula: C30H50O5...