21

C          4.64630        1.01830       -0.34890
C          3.13650        1.17630       -0.47090
C          5.37480        2.25050       -0.88340
C          2.39770       -0.01430        0.08680
C          7.60570        2.86560       -1.31330
N          7.30830        4.02770       -1.93310
N          8.93240        2.62280       -1.31380
N          6.80980        2.00270       -0.79860
O          2.60170       -1.15470       -0.60440
O          1.64520        0.04290        1.04830
H          4.92150        0.84600        0.69940
H          4.98280        0.13110       -0.89930
H          2.82710        1.31800       -1.51270
H          2.80650        2.06290        0.08280
H          5.07500        2.42060       -1.92440
H          5.09920        3.12830       -0.28720
H          8.01900        4.74370       -1.94130
H          6.37750        4.39130       -1.78410
H          9.55680        3.40870       -1.22400
H          9.17440        1.85000       -0.70270
H          3.21370       -1.05950       -1.35870
