18 C 0.85723 0.11994 0.16243 C 2.35002 0.02081 0.01336 C 3.09435 1.21418 -0.03365 C 4.48524 1.19334 -0.14770 C 5.15941 -0.02045 -0.21833 C 4.43933 -1.21427 -0.18744 C 3.03675 -1.20631 -0.08853 C 2.38649 -2.54295 -0.08018 O 2.91426 -3.58313 0.27052 O 1.14728 -2.54314 -0.59761 H 0.55536 1.12551 0.47637 H 0.49619 -0.56735 0.93410 H 0.36327 -0.09113 -0.79095 H 2.59004 2.17752 0.02699 H 5.04160 2.12710 -0.17588 H 6.24314 -0.04033 -0.30002 H 4.97746 -2.15888 -0.24754 H 0.88589 -3.48716 -0.57489