68 C 3.95517 1.63918 4.26870 C 5.12016 2.60637 4.50187 C 4.68792 4.04537 4.18389 C 5.55877 2.54190 5.97438 C 6.29802 2.18405 3.62243 O 7.23195 1.48527 4.00232 O 6.17260 2.64548 2.34500 C 7.33659 2.42519 1.54439 C 8.48338 3.35743 1.95139 O 8.23259 4.49824 2.35542 C 9.92300 2.90392 1.68045 H 10.09410 3.09285 0.61126 C 10.16794 1.42092 1.93881 C 11.67612 1.30300 1.85485 C 12.22659 2.56461 2.54521 H 12.44970 2.28087 3.57943 C 13.52874 3.06586 1.87640 H 13.28674 3.15709 0.80539 C 14.67299 2.02609 1.92774 C 15.53975 2.09948 3.17962 C 16.05130 3.51049 3.30015 C 17.34796 3.78001 3.07411 C 17.81488 5.17300 2.89136 O 19.01539 5.39884 2.76730 C 16.76608 6.24170 2.72693 C 15.61297 5.98292 3.68282 C 14.97256 4.56685 3.53984 C 14.29321 4.28880 4.90346 C 13.97291 4.49927 2.32191 H 14.55179 4.86398 1.45785 C 12.77814 5.47514 2.43999 C 11.47502 4.92782 1.86098 C 11.04799 3.59978 2.52106 C 10.60400 3.85051 3.98404 H 4.24310 0.60743 4.50220 H 3.62575 1.65491 3.22336 H 3.09495 1.89781 4.89613 H 4.26658 4.12739 3.17529 H 5.53930 4.73356 4.24031 H 3.92324 4.39472 4.88639 H 5.83753 1.52175 6.26393 H 4.75747 2.86941 6.64516 H 6.43220 3.18084 6.15312 H 7.07947 2.65678 0.50577 H 7.61363 1.36986 1.58355 H 9.80527 1.11578 2.92637 H 9.69205 0.77925 1.19066 H 11.97666 1.26586 0.80039 H 12.03245 0.38482 2.33281 H 14.29184 1.00609 1.81353 H 15.31849 2.19559 1.05385 H 14.97816 1.79794 4.06882 H 16.36517 1.38329 3.08595 H 18.09188 3.01114 2.89864 H 16.43680 6.25799 1.68323 H 17.21881 7.21219 2.95871 H 16.00658 6.10118 4.70340 H 14.85902 6.76924 3.56467 H 13.68685 3.38328 4.90461 H 13.64826 5.11683 5.21463 H 15.04328 4.16551 5.69521 H 13.03070 6.40284 1.90997 H 12.60011 5.77832 3.47440 H 11.60270 4.79393 0.77890 H 10.68626 5.68110 1.97742 H 11.45186 4.10509 4.62508 H 10.12885 2.96481 4.41888 H 9.90168 4.68500 4.06587