[2q]-3-[4t]-6- [5w]-4-[1r]-- [2e]-3-[4u]-6- [5r]-4-[1y]-- [2e]-3-[4u]-6- [5r]-4-[1y]-- [2e]-[3o] p [4u]-6 ty [5r]-4 uo[1y]-- [2e] s [3p] o [4u]-6 ty [5r]-4 ou[1y]-- [2e]-[3o] p [4s]-6 [tf][yd] [5a]-4 sa[1o]-- [2e]-[3p] o [4u]-6 ty [5r]-4 uo[1y]-- [2e]-[3o] p [4u]-6 ty [5r]-4 uo[1y]-- [2e]-[3o] p [4s]-6 ty [5a]-[4f] uo[1y]