QUANTITATIVE 1H NMR SPECTROSCOPY METHOD FOR DETERMINATION OF ANTHRAQUINONE DERIVATIVES IN EXTRACTS FROM RUBIA TINCTORUM L. ROOTS AND RHIZOMES СтатьяVasil'ev V., Sheremeta A., Ivlev V., Goriainov S., Hajjar F., Esparza C., Platonov E., Khromov A., Kolesnov A., Romashchenko V., Kalabin G.Scientia Pharmaceutica. Том 92. 2024.