15 N 0.88234 0.02647 0.23211 C 2.03568 0.04587 0.10615 C 3.46143 0.06321 -0.04977 C 4.14953 1.28199 -0.08589 C 5.53857 1.29770 -0.23783 C 6.23979 0.09344 -0.35372 C 7.70794 0.10242 -0.51457 O 8.34963 1.14453 -0.55129 C 5.55977 -1.12722 -0.31855 C 4.16965 -1.13994 -0.16639 H 3.61194 2.22473 0.00359 H 6.07035 2.24747 -0.26549 H 8.20188 -0.87992 -0.60054 H 6.09517 -2.06945 -0.40777 H 3.64261 -2.09277 -0.13935