Davidyants, E.S. and Kravtsov, V.V. 2022. DYNAMICS OF PIGMENTS CONTENT IN SILPHIUM PERFOLIATUM L. LEAVES DEPENDING ON THE PHASE OF DEVELOPMENT AND SEASONAL FACTORS. Chemistry of plant raw material. 1 (Mar. 2022), 105-113. DOI:https://doi.org/10.14258/jcprm.20220110275.