 21

       C          -1.2193    0.0035   -0.1981
       C          -1.1640   -1.3182   -0.4119
       C           0.0288   -1.9190   -0.4609
       C           1.1340   -1.1804   -0.2982
       C           1.1079    0.1507   -0.0691
       C          -0.1097    0.7536   -0.0201
       C          -0.2578    2.1005    0.2022
       O          -1.3543    2.6303    0.1527
       O           0.7894    2.9312    0.4540
      H          -2.2369    0.4278   -0.1697
      H          -2.0864   -1.9070   -0.5504
      H           0.0979   -3.0040   -0.6465
      H           2.0930   -1.7193   -0.3754
      O           2.2801    0.8526    0.0583
      H           1.4768    2.4814    0.9635
      C           3.4118    0.1827    0.4237
      C           4.4355    0.1941   -0.6948
      O           3.5663   -0.3358    1.5078
      H           5.3477   -0.3706   -0.3975
      H           4.7371    1.2398   -0.9307
      H           4.0201   -0.2812   -1.6122
