18 C -1.01094 -0.05955 0.07614 C -2.52243 -0.10019 0.11257 Br -3.11092 0.62996 1.84440 C -3.22897 0.66516 -0.99921 Br -3.00081 -0.24066 -2.71482 C -0.29495 1.14882 0.03247 C 1.10088 1.15065 -0.01364 C 1.80184 -0.05196 -0.01880 C 1.10844 -1.25899 0.02592 C -0.28683 -1.26320 0.07436 H -2.87784 -1.13715 0.13815 H -2.86160 1.68695 -1.13453 H -4.31227 0.70462 -0.84232 H -0.81452 2.10452 0.04357 H 1.64125 2.09351 -0.04409 H 2.88771 -0.04940 -0.05580 H 1.65457 -2.19904 0.02186 H -0.80490 -2.22015 0.10623