17 comment:c C 0.4073890 1.2994781 0.8630050 C -2.2656071 0.5025070 -0.1769060 C -2.3283601 -0.8235980 -0.1757280 C 0.3100350 -1.7421110 0.8021810 C 0.9815020 -0.9653590 -0.0463140 C 1.0180590 0.5054440 -0.0228390 H 0.4679530 2.3830869 0.7961350 H -2.5999250 1.0959910 0.6710120 H -2.7178781 -1.3798070 0.6744070 H 0.3196850 -2.8232210 0.6980040 H 1.5445770 -1.4098279 -0.8645830 H -1.9958550 -1.4124610 -1.0258960 H -1.8796860 1.0553260 -1.0286590 H -0.2601000 -1.3374870 1.6332660 H -0.1601450 0.8851730 1.6861060 O 1.7553560 0.9808890 -1.0724519 H 1.7715070 1.9454720 -1.0241520