20

C   -1.113626115   1.327020095   0.275167055
O   -0.467082641   2.349387782   0.461537462
O   -0.578089388   0.136920485   0.049617473
H    0.413320364   0.203256605   0.055487108
C   -2.611424686   1.286189573   0.277361307
H   -3.006648718   2.276885447   0.465789827
H   -2.964256227   0.915258679  -0.682001232
H   -2.953114211   0.591798210   1.041240412
N    4.623261357   1.098917659   0.181242659
H    5.016466470   0.183527430   0.009523232
C    5.544789264   2.147033277   0.362695769
O    6.741935649   1.928737469   0.309815806
C    4.905723193   3.426495659   0.603302920
H    5.525257957   4.293420537   0.754780194
C    3.558638991   3.506485814   0.632684156
H    3.035798800   4.434932815   0.807982365
N    2.754908240   2.415803827   0.442278125
H    1.730856410   2.485751519   0.466068386
C    3.254840726   1.165581043   0.208105902
O    2.542808280   0.176076156   0.034635722
