“Chromatographic Behaviour of Mono-Caffeoylquinic and Di-Caffeoylquinic Acids under the Conditions of Reversed-Phase HPLC: Structural Dependences”. Sorbtsionnye I Khromatograficheskie Protsessy, vol. 21, no. 4, Sept. 2021, pp. 458-65, https://doi.org/10.17308/sorpchrom.2021.21/3628.