number atom shift 1 C 91.857 2 C 73.137 4 C 49.806 5 C 89.171 7 C 102.253 8 C 34.041 9 N 41.552 11 C 44.800 13 C 67.772 14 C 93.915 15 N 40.137 16 C 81.623 17 C 50.599 20 C 73.850 21 C 81.103 22 C 66.610 23 N 34.051 24 C 70.570 25 C 72.665 29 C 75.534 30 C 41.092 33 N 29.763 34 H 3.756 35 H 4.822 36 H 3.645 37 H 4.217 38 H 7.943 39 H 6.737 40 H 1.689 41 H 3.456 42 H 2.532 43 H 0.013 44 H 3.837 45 H 3.603 46 H 6.389 47 H -0.209 48 H 2.725 49 H 4.907 50 H 4.054 51 H 4.333 52 H 4.503 53 H 3.104 54 H 4.418 55 H 4.128 56 H 2.295 57 H -0.097 58 H 5.712 59 H 5.126 60 H 2.172 61 H 0.511 62 H 0.150 63 H 3.740 64 H 3.536 65 H 3.555 66 H 2.197 67 H 0.464 68 H 2.514 69 H 1.536