20

O 0.88191 0.07490 -0.02172
C 2.31600 0.11909 -0.04234
H 2.67050 0.39745 0.95753
C 2.87974 -1.25821 -0.42912
H 2.46830 -2.03655 0.22251
O 4.30358 -1.23944 -0.25566
C 2.53422 -1.58012 -1.88714
O 3.02698 -0.56630 -2.76303
C 2.47296 0.72506 -2.49205
H 2.95323 1.41289 -3.19563
O 1.07994 0.73513 -2.77845
C 2.77972 1.18993 -1.04766
H 2.23863 2.12413 -0.85661
O 4.17744 1.45883 -0.87704
H 0.62337 -0.31024 0.83695
H 4.67114 -2.01496 -0.71834
H 3.01719 -2.51659 -2.18743
H 1.45472 -1.70692 -2.03086
H 0.61508 0.57342 -1.93436
H 4.62897 0.58828 -0.85567