Composition #1: Tolkachev, O.N., Abizov, E.A., Abizova, E.V., Mal'Tsev, S.D. Phytochemical study of the bark of some plants of the Elaeagnaceae family as a natural source of β-carboline indole alkaloids. Pharmaceutical Chemistry Journal, 2008, vol. 42, no. 11, p. 630–632. DOI: 10.1007/s11094-009-0196-0.
[
DOI link]