1. Baltaev UA (1979) Phytoecdysteroids of plants of the genus Rhaponticum: Dis.. cand. Chem Sci 106
2. Baltaev UA (2000) Phytoecdysteroids: structure, sources and pathways of biosynthesis in plants. Russ J Bio Chem 26:892–925. https://doi.org/10.1023/a:1026662505403
3. Baltaev UA, Gorovits MB, Abdullaev ND et al (1978) Phytoecdysones of Rhaponticum integrifolium III. Integristerone B. Chem Nat Compd 14:388–393. https://doi.org/10.1007/BF00565240
4. Borisov (1963) Flora of the USSR: Ed. V.L. Komarova. Leningrad 28:308
5. Dinan L (1998) A strategy towards the elucidation of the contribution made by phytoecdysteroids to the deterrence of invertebrate predators on plants. Rus J Plant Physiol 45(3):347–359