atom_id symbol chemical_shift mult coupling 26 H 4.69 dd 1.0,11.0 27 H 4.78 dd 1.0,17.5 28 H 6.18 dd 11.0,17.5 29 H 1.46 s NA 30 H 1.46 s NA 31 H 1.46 s NA 32 H 1.47 s NA 33 H 1.47 s NA 34 H 1.47 s NA 35 H NA NA NA 36 H 6.0 s NA 37 H 12.36 s NA 38 H 5.34 dd 2.5,13.0 39 H 7.39 br d 8.5 40 H 6.88 br d 8.5 41 H NA NA NA 42 H 6.88 br d 8.5 43 H 7.39 br d 8.5 44 H 2.67 dd 2.5,17.0 45 H 3.09 dd 13.0,17.0