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

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