28 C 4.60521 -0.60105 -2.43872 C 3.90768 0.48957 -2.77864 C 4.50090 1.80396 -2.89407 C 4.56355 2.30156 -4.31832 C 4.98997 2.54658 -1.87974 C 4.99343 2.35606 -0.37141 C 3.99241 1.36175 0.23368 S 6.68595 1.85807 0.13153 C 6.88945 3.21901 1.20920 O 7.86912 3.37886 1.91486 C 5.74700 4.14509 1.14478 C 5.77187 5.40050 1.93798 C 4.79203 3.69768 0.32008 O 3.63380 4.41779 0.08970 H 4.13049 -1.57639 -2.40578 H 5.66163 -0.55182 -2.18943 H 2.86365 0.39145 -3.06880 H 5.07659 1.57756 -4.96123 H 5.10338 3.25094 -4.40249 H 3.55319 2.46050 -4.71136 H 5.46070 3.48840 -2.17665 H 3.93830 1.45400 1.32682 H 4.25046 0.31918 0.02870 H 2.97871 1.53969 -0.14499 H 4.90968 6.03913 1.72244 H 6.67475 5.97846 1.71670 H 5.76088 5.17374 3.00923 H 3.10453 3.95874 -0.58862