50 C 3.29781 -0.80272 -0.42022 C 2.38074 0.11137 0.39527 C 1.58146 1.03222 -0.53596 C 3.18089 0.84784 1.45889 C 3.83206 2.05443 1.15886 C 4.54924 2.73704 2.14664 C 4.64694 2.26523 3.47122 C 4.05661 1.04404 3.75117 O 4.17578 0.44917 4.97358 C 3.33824 0.34598 2.76156 O 2.83140 -0.86766 3.16409 C 5.52273 3.17535 4.35037 C 5.72750 2.73055 5.81421 C 5.94502 3.90540 6.76350 C 4.72485 4.83902 6.80057 C 4.05550 5.09195 5.41289 C 2.72844 4.31201 5.32891 C 3.71334 6.59377 5.30461 C 5.05430 4.68623 4.29771 H 5.95032 5.29758 4.50840 C 4.69975 5.07335 2.84257 C 5.30912 4.01767 1.91127 H 5.28171 4.32975 0.86316 O 6.68570 3.77185 2.29530 C 6.86595 3.27708 3.57481 O 7.97583 3.02240 4.02128 H 2.72102 -1.37803 -1.15241 H 3.82305 -1.51554 0.22504 H 4.05579 -0.22823 -0.96482 H 1.62795 -0.51109 0.89426 H 2.22865 1.61673 -1.19821 H 0.96120 1.72963 0.03780 H 0.91569 0.44098 -1.17482 H 3.79982 2.46922 0.15449 H 3.67230 -0.38627 4.89352 H 2.64505 -1.40413 2.37678 H 4.84542 2.21565 6.20307 H 6.56134 2.02373 5.89837 H 6.13916 3.53270 7.77614 H 6.83957 4.46641 6.46718 H 5.05367 5.78519 7.24983 H 3.98611 4.42615 7.49994 H 2.86204 3.24419 5.51855 H 2.25306 4.42318 4.34936 H 2.01495 4.67740 6.07719 H 4.62092 7.20783 5.31390 H 3.08657 6.91595 6.14426 H 3.16625 6.82009 4.38338 H 5.13554 6.05583 2.62292 H 3.61910 5.15256 2.68262