title: Studies on antitumour cyclic hexapeptides RA obtained from Rubiae radix, Rubiaceae (IV): Quantitative determination of RA-VII and RA-V in commercial Rubiae radix and collected plants.
mesh_terms: D000972:Antineoplastic Agents, Phytogenic / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D002851:Chromatography, High Pressure Liquid; D010456:Peptides, Cyclic / Q000032:analysis*; D010946:Plants, Medicinal / Q000032:analysis*
chemical_list: D000972:Antineoplastic Agents, Phytogenic; D010456:Peptides, Cyclic; C043547:RA V; C043548:RA VII