FIELD: chemical-pharmaceutical industry. SUBSTANCE: method involves dissolving pentoxifylline, sodium chloride and, additionally, sodium dihydrogen phosphate taken in the amount 0.04-0.06% in water for injection and then the prepared solution is subjected for UV-irradiation at wavelength from 180 to 350 nm at temperature 5-50 C. EFFECT: enhanced purity of agent. 1 tbl, 3 ex
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