106. Solving a chemistry problem
When chromatography in a thin layer of the sorbent, amidopyrine, butadine and diphenhydramine have Rf values of 0.05; 0.60; 0.95 respectively. Which of the listed medicinal substances is contained in the medicinal mixture, if during its chromatography under the same conditions two spots were obtained at a distance of 4.8 cm and 4 mm from the starting line, and the solvent passed 8 cm.
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