Phenolic compounds of Sempervivum ruthenicum
Tài liệu tham khảo
P. A. Gnedkov and L. A. Gumenyuk, in: Chemical Investigations in Pharmacy [in Russian], Kiev (1970), p. 149.
L. A. Gumenyuk, N. F. Komissarenko, V. S. Batyuk, and P. A. Gnedkov, Khim. Prirodn. Soedin., 392 (1971).