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?????????????, ?????? ?? ????????, ????? ???????? ???? ????, ??? ??????????? ??????????? ?? ???? ????????????? ??. ?????? ???????? ??? ????????? ??? ??? ???? ?????? ??????? ??? ?????? ??????? ????????????????. ???????? ?????? ???? ??????? ??? ????????? ????????????-4-P ?? PEP ????? ????? ??? ???. ??????????? ?? ??? ????????? ????? ?? ??? ??? ????? ????? ??????????? ????????????? (PRPP) ????? ??? ???. PRPP ?? ??????? ?? C ????? 5-??????? ???????? ????? ????????? ?????? ??? ??? ?????? 3C ???? ???? ???????? ?????? ?????? ????. ??????? ????????? ?????? ???? ??? ????????? ??????? ??????????? ??? ????. ??? ???????????? ??????? ?? ?????????? ???????????????? ????? ?????? ????? ???, ???? ?????? ???????? ???? ??????? ??????????????. ???????????? ?????? ????? ?????? ???? ????????? ????????? ?? ??? ?????? ??????????? ??? ?? ???? ??? ????, ????, ?????? ???????? ?? ??????? ???????? ???? ??? ?????? ?? ????? ????? ??? ????.

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