23 C -0.92220 -0.43293 -0.22380 C -0.35961 0.83116 -0.01795 C 1.01039 0.97670 0.22377 C 1.83218 -0.14687 0.22563 C 1.28248 -1.41281 0.01196 C -0.09352 -1.56791 -0.20629 C -0.66709 -2.94261 -0.41819 O 1.42527 2.26639 0.42253 C 2.67472 2.42500 1.08288 O -2.25428 -0.67134 -0.44643 C -3.12865 0.44972 -0.42278 H -0.96551 1.73149 -0.02918 H 2.90320 -0.07080 0.37748 H 1.93790 -2.28069 0.01705 H -1.14359 -3.00776 -1.40109 H -1.40263 -3.16909 0.36001 H 0.11002 -3.71254 -0.37359 H 2.79132 3.48620 1.32763 H 3.50580 2.14184 0.42721 H 2.70435 1.86188 2.02334 H -4.14617 0.08214 -0.58455 H -2.89458 1.14837 -1.23247 H -3.10750 0.94864 0.55152