atom_id symbol chemical_shift mult coupling 23 H 1.79 s NA 24 H 1.79 s NA 25 H 1.79 s NA 26 H 6.21 d 10.7 27 H 6.05 d 11.0 28 H 2.36 m NA 29 H 1.11 d 6.7 30 H 1.11 d 6.7 31 H 1.11 d 6.7 32 H 1.04 d 6.8 33 H 1.04 d 6.8 34 H 1.04 d 6.8 35 H 2.47 m NA 36 H 2.08 m NA 37 H 1.49 m NA 38 H 2.11 m NA 39 H 1.19 s NA 40 H 1.19 s NA 41 H 1.19 s NA 42 H 2.89 t 5.9 43 H 1.52 m NA 44 H 1.68 m NA 45 H 1.57 m NA 46 H 1.37 m NA 47 H 2.26 m NA 48 H 0.96 d 6.3 49 H 0.96 d 6.3 50 H 0.96 d 6.3 51 H 1.98 m NA 52 H 2.58 dd 13.1,7.1 53 H 2.94 d 13.8 54 H 3.31 d 14.2