31 N 1.75744 1.23754 4.18760 C 3.10188 1.47942 3.93671 N 3.97090 1.36880 4.96220 C 5.26974 1.61111 4.70617 Cl 6.32854 1.43950 6.04043 N 5.86312 1.98727 3.55292 C 4.95660 2.07095 2.56233 C 3.59065 1.84956 2.67020 N 2.95911 2.06562 1.46448 C 3.92720 2.38086 0.63139 N 5.15572 2.38982 1.24489 C 6.39675 2.71936 0.57232 H 6.28390 2.43301 -0.48103 C 6.79035 4.18016 0.69628 C 8.28339 4.10079 0.49240 H 8.82398 4.96343 0.89214 O 8.51172 4.05571 -0.92166 C 8.66454 2.76299 1.13319 H 9.43632 2.24716 0.55131 C 9.13941 2.89400 2.58365 O 8.19620 3.59469 3.38543 O 7.48025 1.93240 1.09951 H 1.51939 1.34069 5.16550 H 1.13403 1.65306 3.50391 H 3.79862 2.61306 -0.41898 H 6.55478 4.57460 1.69030 H 6.27325 4.79852 -0.04511 H 9.47537 4.05960 -1.06492 H 9.29371 1.90790 3.03385 H 10.08358 3.44564 2.62422 H 7.43439 2.98456 3.49641