[2q]-3-[4t]-6- [50]-4-[1r]-- [2q]-3-[4t]-6- [5r]-4-[1r]-- [2e]-3-[4u]-6- [5r]-4-[1y]-- 2-[3o] p [4u]-6 ty [5r]-4 uo[1y]-- 2 s [3p] o [4u]-6 ty [5r]-4 ou[1y]-- 2-[3o] p [4s]-6 fd [5a]-4 sa[1o]-- 2-[3p] o [4u]-6 ty [5r]-4 uo[1y]-- 2-[3o] p [4u]-6 ty [5r]-4 uo[1y]-- 2-[3o] p [4s]-6 ty [5y]-4 uo[1y]-- [6u] - po[9I]-y t [5y] - ty[4u]-- [6s] - po[9I] - d [5a]-s d [4p]