the invention relates to the pharmaceutical industry, namely to \u0440\u0430\u0437\u0432\u0435\u0442\u0432\u043b\u0451\u043d\u043d\u043e\u043c\u0443 \u0430\u0446\u0438\u043b\u0430\u0437\u0438\u0434\u043d\u043e\u043c\u0443 \u043f\u0435\u0433\u0438\u043b\u0438\u0440\u0443\u044e\u0449\u0435\u043c\u0443 agent able to join the free s \u0438\u043d\u043e\u0433\u0440\u0443\u043f\u043f\u0430\u043c proteins with education \u0430\u043c\u0438\u0434\u043d\u043e\u0439 connection through the reaction \u0430\u0437\u0438\u0434\u043d\u043e\u0439 condensation, as well as to the method of obtaining it and the mode of \u043f\u0435\u0433\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f biologically act \u0438\u0432\u043d\u044b\u0445 proteins, for example \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0440\u043e\u043d\u043e\u0432.the invention provides a way to obtain a ramified \u0430\u0446\u0438\u043b\u0430\u0437\u0438\u0434\u043d\u043e\u0433\u043e \u043f\u0435\u0433\u0438\u043b\u0438\u0440\u0443\u044e\u0449\u0435\u0433\u043e agent and a method of \u043f\u0435\u0433\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0440\u043e\u043d\u043e\u0432 (ifn), \u0447\u0430\u0441\u0442\u043d\u043e\u0441\u0442 and various ifn - 2b.the technical result of the invention is \u043f\u0435\u0433\u0438\u043b\u0438\u0440\u0443\u044e\u0449\u0438\u0439 agent is a derivative of peg - \u0444\u0435\u043d\u0438\u043b\u0430\u043b\u0430\u043d\u0438\u043d\u0430 able to join with the free \u0430\u043c\u0438\u043d\u043e\u0433\u0440\u0443\u043f\u043f\u0430\u043c proteins. \u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0430\u043c\u0438\u0434\u043d\u043e\u0439 connection through \u0430\u0437\u0438\u0434\u043d\u043e\u0439 condensation without causing \u0440\u0430\u0446\u0435\u043c\u0438\u0437\u0430\u0446\u0438\u0438, oxidation and \/ or aggregation of substrate, and method of obtaining it.Изобретение относится к фармацевтической промышленности, а именно к
