number atom shift 1 C 160.819 2 C 141.182 3 C 70.965 4 C 125.340 5 C 159.709 6 C 155.514 7 C 76.936 8 C 82.431 9 C 80.669 10 C 106.778 11 N 86.631 12 N 257.306 13 N 236.550 14 N 263.790 15 N 172.086 22 P 10.127 23 H 9.958 24 H 8.794 25 H 5.934 26 H 5.509 27 H 5.236 28 H 5.415 29 H 5.025 30 H 6.575 31 H 5.674 32 H 6.378 33 H 4.340 34 H 4.109