19 C -1.27916 0.00482 -0.07721 C -2.78925 -0.01236 -0.16433 O -3.33744 1.14156 0.46939 C -3.26082 -0.05584 -1.61289 C -0.55695 1.20835 -0.06398 C 0.83797 1.20282 -0.00894 C 1.53074 -0.00496 0.02738 C 0.82924 -1.20877 0.00825 C -0.56654 -1.20435 -0.04555 H -3.17108 -0.88377 0.37934 H -4.30375 1.04854 0.44465 H -2.93667 0.83634 -2.16231 H -4.35556 -0.07183 -1.65934 H -2.87883 -0.93903 -2.13648 H -1.08529 2.15905 -0.09092 H 1.38179 2.14374 0.00703 H 2.61639 -0.00801 0.07106 H 1.36885 -2.15150 0.03527 H -1.09601 -2.15380 -0.06297