20 C -0.45839 -0.76405 0.07466 C -1.10073 -2.13034 0.19356 C -2.29599 -2.36419 -0.69509 O -3.08383 -1.52523 -1.10699 O -2.49870 -3.67211 -0.95400 C -1.15547 0.43295 0.29389 C -0.50706 1.66712 0.28205 C 0.86100 1.72916 0.03343 C 1.56775 0.55609 -0.18936 C 0.92603 -0.68249 -0.16744 O 2.90852 0.65750 -0.41454 O -2.49829 0.45860 0.54140 H -1.40716 -2.29153 1.23357 H -0.35738 -2.89936 -0.05260 H -3.31869 -3.69383 -1.49131 H -1.07004 2.57810 0.46313 H 1.37271 2.68763 0.02066 H 1.50222 -1.59082 -0.32240 H 3.27824 -0.23416 -0.51897 H -2.93275 -0.09094 -0.14551