6.4 6.4 6.2 6.2 6.0 6.0 5.8 5.8 5.6 5.6 5.4 5.4 2 - 1 H (ppm) 3.0 3.0 2.8 2.8 2.6 2.6 2.4 2.4 2.2 2.2 2.0 2.0 1-1H(ppm) G3H1' A2H1' A1H1' T6H1' A4H1' C8H1' T7H1' A5H1' T9H1' T10H1'AAGAATTCTTH1'-H2'/2" 6.5 6.5 6.0 6.0 5.5 5.5 5.0 5.0 4.5 4.5 2-1H(ppm) 5.25.2 5.05.0 4.84.8 4.64.6 4.44.4 4.24.2 4.04.0 1 - 1H (ppm) G3H1' A2H1' A1H1' T6H1' A4H1' C8H1' T7H1' A5H1' T9H1' T10H1' AAGAATTCTT 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 0 0 2 - 1 H (ppm) 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 0 0 1-1 H(ppm) GUEHaa' GUEHab' GUEHad' GUEHac' GUEHaa GUEHab GUEHad GUEHac CB7H1e CB7H2 CB7H1a GUEH4' GUEH4 GUEHaa' GUEHab' GUEHad' GUEHac' GUEHaa GUEHab GUEHad GUEHac CB7H1e CB7H2 CB7H1a GUEH4' GUEH4 N 1 2 5 N + 3 4 17 18 Br 19 6 7 8 9 10 11 1213 14 16 15 + N N 2 N N O O 1 7