????????? ?????? ?? ?????? ????????? ?????, ????????, ??????? ????? ??? ???????? ???????. ???????? ??? ????? ???? ????? ????? ??????? ?????? ???? ?????, ????, ???? ???? ????? ??? ????. ?????? ?????? ??? ??? C ? H ?? O ?, ????? ???????? ???? ????? ?????, ?? ?????? ?? ?-90% ??????, ????? ?-2.4 ??"? ?? ?????? ????. ????? ???, ???? (???? ??????) ??? ?? ???? ?????? ??????? ????????, ????? ?-4 ??"? ?? ?????? ????. ?????? ????? ????? ?????? ????? ????? ????? ???.