50 C 0.50685 0.38580 0.78639 C 1.93345 0.09798 0.41377 C 2.95107 0.98239 0.28492 C 2.83208 2.45581 0.64560 C 3.25349 3.39078 -0.48631 C 4.61838 3.03398 -1.10947 H 5.37719 3.21149 -0.33742 C 4.97435 3.97827 -2.28019 H 4.79441 5.01378 -1.95578 C 6.46314 3.88881 -2.66731 C 6.56083 4.61636 -3.99808 C 5.22535 4.30783 -4.61757 O 4.97449 4.51366 -5.79953 C 4.23375 3.71793 -3.61313 C 2.91701 4.49130 -3.73179 C 4.07505 2.22428 -3.92998 C 3.72636 1.33116 -2.73706 C 4.65669 1.53658 -1.51022 H 5.67525 1.28429 -1.83217 C 4.33401 0.59789 -0.27421 C 5.40281 0.78000 0.84179 C 4.42165 -0.89443 -0.70847 C 3.64305 -1.81201 0.21115 C 2.20594 -1.36659 0.21190 O 1.28483 -2.17680 0.13675 H 0.17680 -0.27272 1.59676 H -0.14084 0.21517 -0.08097 H 0.33118 1.40746 1.12380 H 3.44957 2.65563 1.52911 H 1.81922 2.73629 0.94258 H 3.28132 4.42009 -0.10823 H 2.46097 3.36343 -1.23512 H 6.78943 2.85168 -2.80103 H 7.11310 4.34174 -1.91226 H 7.37766 4.23149 -4.61317 H 6.65010 5.69719 -3.86120 H 2.12787 4.08715 -3.09685 H 2.53537 4.46803 -4.75924 H 3.05455 5.54804 -3.47255 H 5.00125 1.83545 -4.37440 H 3.30882 2.08826 -4.70497 H 3.79249 0.30423 -3.10570 H 2.67682 1.48558 -2.46442 H 5.44796 1.79428 1.24651 H 6.40516 0.54664 0.46402 H 5.20814 0.11922 1.69419 H 5.46880 -1.22007 -0.75427 H 4.02322 -1.05134 -1.71265 H 4.02172 -1.80834 1.23759 H 3.69660 -2.83985 -0.16394