19 comment:c C 1.7125850 1.0135840 0.1565640 C -1.1888200 0.1336650 -0.8602360 C -1.1547750 -1.1927370 -0.9566990 C 1.5407940 -2.0286529 0.2343750 C 2.2261951 -1.2998821 -0.6502320 C 2.2665360 0.1703480 -0.7176070 H 1.5719280 -3.1145799 0.2106260 H 2.8093419 -1.8209220 -1.4089950 H -0.9199370 -1.6834810 -1.8963830 H -0.9983100 0.7838820 -1.7079620 H 0.9332220 -1.5745660 1.0142291 H 1.1836160 0.6641840 1.0408520 H 2.7972219 0.5867070 -1.5731910 H 1.7768919 2.0894070 0.0223360 H -1.3703300 -1.8296130 -0.1039670 C -1.5219690 0.8531150 0.3882840 O -1.7843720 2.0318010 0.4524470 O -1.5058841 0.0630280 1.4895340 H -1.7699000 0.6402370 2.2243021