20 C 0.26166 -1.28943 0.55289 O -0.42054 -2.30679 0.60540 N -0.19316 0.01495 0.48238 C -1.53274 0.45891 0.48079 C -2.63671 -0.39255 0.56469 C -3.92601 0.14009 0.55609 O -5.02423 -0.66657 0.63591 C -4.13713 1.50963 0.46612 C -3.04309 2.36563 0.38290 C -1.74697 1.84219 0.39035 C 1.76767 -1.37310 0.51975 H 0.51085 0.73938 0.41635 H -2.51160 -1.46611 0.63735 H -4.72174 -1.58931 0.68874 H -5.14867 1.90515 0.46104 H -3.19878 3.43882 0.31225 H -0.91062 2.53316 0.32406 H 2.22059 -0.53086 1.05072 H 2.10631 -1.37684 -0.51962 H 2.09049 -2.29541 1.01142