atom_id symbol chemical_shift mult coupling 51 H 6.69 d 2.6 47 H 6.82 d 2.6 46 H 4.71 d 1.5 45 H 3.55 NA NA 43 H 2.84 dd 15.2,8.6 44 H 1.78 dd 15.2,11.0 41 H 4.85 br d 11.0 39 H 5.26 d 1.6 37 H 3.54 t 2.46,11.0 38 H 3.54 t 2.46,11.0 36 H 4.0 td 11.0,3.3 57 H 2.14 ddd 14.5,11.4,1.2 58 H 1.86 ddd 13.2,11.4,1.2 53 H 5.71 m NA 54 H 1.26 d 6.2 55 H 1.26 d 6.2 56 H 1.26 d 6.2 34 H 3.54 m 3.21 35 H 3.54 m 3.21 31 H 1.04 t 6.9 32 H 1.04 t 6.9 33 H 1.04 t 6.9 48 H 3.66 s NA 49 H 3.66 s NA 50 H 3.66 s NA 52 H 12.71 br s NA