Cardenolides of Trachomitum sarmatiense Woodson

From the roots of Trachomitum sarmatiense Woodson (Apocynaceae) 5 cardial glycosides were isolated. Among them 4 substances were identified: cymarin and k-strophanthin-beta, and two derivatives of cannogen: apocannosid and apobiosid. In the overground part of the plant, the cardenolides were not found.