19 comment:c C 1.1034580 1.9254040 0.0535930 C -0.5516550 1.2836440 -0.7173830 C -0.6280020 -0.1703040 -0.6583490 C 1.2750061 -0.8726010 0.1041870 C 2.2090809 -0.1168730 -0.6533000 C 2.1476741 1.2463310 -0.6609060 H 1.2565330 -1.9547360 -0.0086910 H 2.8311880 -0.6302510 -1.3837490 H -0.6028280 -0.7168300 -1.5955160 H -0.5092690 1.6966680 -1.7238560 H 1.0280520 -0.5412470 1.1108490 H 0.9381300 1.5978490 1.0825460 H 2.7309549 1.8043031 -1.3906600 H 1.0922440 3.0133359 -0.0226170 H -1.2780581 1.8357790 -0.1144480 C -1.4398010 -0.8802870 0.3669310 O -1.6430380 -0.2280150 1.5452980 H -1.2796220 0.6666240 1.4998900 O -1.8358819 -2.0107131 0.2395770