19
 comment:c
C 1.7001400 2.0759850 0.3233440
C -1.2678450 1.2165170 -1.0013640
C -1.2159671 -0.1079810 -0.8911290
C 1.7343930 -0.9813080 0.2619820
C 2.3433321 -0.1640760 -0.5997860
C 2.2492671 1.3063600 -0.6187760
H 1.8583180 -2.0583861 0.2018210
H 2.9638100 -0.6035150 -1.3797790
H -0.9350770 -0.7331230 -1.7330370
H -1.0106879 1.7143140 -1.9311399
H 1.0911120 -0.6167920 1.0604110
H 1.2943600 1.6595930 1.2440460
H 2.6740029 1.7914540 -1.4971460
H 1.6673180 3.1569309 0.2221690
H -1.5902780 1.8720469 -0.1932260
C -1.5692821 -0.8873080 0.3325920
O -1.5673960 -0.2181790 1.5114630
H -1.2226900 0.6757280 1.3781800
O -1.8419240 -2.0581801 0.2994810