atom_id symbol chemical_shift mult coupling 24 H 3.55 d 18.8 25 H 3.24 d 18.8 26 H 3.0 d 19.2 27 H 2.62 d 19.2 28 H 2.42 d 15.7 29 H 2.6 d 15.6 30 H NA NA NA 31 H 3.9 d 10.9 32 H 3.8 d 10.9 33 H 6.31 d 2.5 34 H NA NA NA 35 H 6.47 dd 2.5,8.6 36 H 7.11 dd 0.7,8.6 37 H 3.66 NA NA