The mixtures of two polymers, poly (N,N-dimethylacrylamide) (PDMA) and polyvinylpyrrolidone (PVP) were synthesized and used as the separation medium for double-
Rubuphenol (1), a new polyphenolic compound, was isolated together with the known ellagic acid (2) as new cell cycle inhibitors from Rubus aleaefolius Poir. Thr