number atom shift 1 C 158.594 2 C 147.225 3 C 73.106 4 C 125.814 5 C 160.491 6 C 154.770 7 C 92.990 8 C 79.999 9 C 84.207 10 C 99.978 11 N 86.334 12 N 256.781 13 N 231.260 14 N 263.434 15 N 175.908 26 P 0.980 27 P 10.798 28 H 9.849 29 H 9.333 30 H 5.223 31 H 5.192 32 H 5.330 33 H 4.954 34 H 5.220 35 H 7.146 36 H 5.492 37 H 6.332 38 H 0.560 39 H 7.523 40 H 4.563 41 H 7.249 42 H 7.915