21

O 1.20231 -0.08297 1.06689
C 2.56980 0.27275 0.91586
C 2.66058 1.51813 0.04555
C 4.10819 1.95867 -0.16044
C 4.18885 3.20940 -1.03701
C 5.63720 3.65198 -1.24453
C 5.72007 4.89351 -2.11808
H 1.17460 -0.87888 1.62487
H 3.09905 -0.56685 0.45372
H 2.99294 0.45818 1.90833
H 2.07915 2.32590 0.50703
H 2.18261 1.31997 -0.92201
H 4.67691 1.14536 -0.62753
H 4.57267 2.16100 0.81235
H 3.61989 4.02267 -0.57018
H 3.72386 3.00701 -2.00958
H 6.21004 2.84347 -1.71343
H 6.10506 3.86171 -0.27557
H 5.28778 4.70752 -3.10643
H 6.76420 5.19186 -2.25468
H 5.18440 5.73148 -1.66067