Phenolic carboxylic acids from 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, P. A. Gnedkov, and V. S. Batyuk, Khim. Prirodn. Soedin.,6, 630 (1970).
L. A. Gumenyuk, P. A. Gnedkov, and V. S. Batyuk, Khim. Prirodn. Soedin.,7, 369 (1971).
I. P. Kovalev and V. I. Litvinenko, Khim. Prirodn. Soedin.,1, 233 (1965).