21 C 0.58150 5.16740 -1.22510 C 2.04260 5.62110 -1.23660 C 2.75540 5.07680 0.00300 C 2.69610 3.54800 -0.00460 H 3.20390 3.16030 0.87850 C 1.23500 3.09430 0.00690 H 0.74410 3.47250 0.90360 C 0.52220 3.63850 -1.23270 C 1.17650 1.58840 -0.00060 O 2.19860 0.94420 -0.01390 O 3.33960 3.05220 -1.18030 H 0.09070 5.54550 -0.32830 H 0.07370 5.55510 -2.10820 H 2.08490 6.71030 -1.23110 H 2.53350 5.24290 -2.13330 H 2.26460 5.45500 0.89980 H 3.79640 5.40010 -0.00520 H 1.01300 3.26040 -2.12950 H -0.51880 3.31530 -1.22450 H 4.27090 3.30200 -1.25400 O -0.01100 0.96280 0.00730