19
 comment:c
C 1.7655450 1.9923280 0.6258720
C -1.4183890 1.1342870 -1.2396610
C -1.3679200 -0.1807270 -1.0457340
C 1.9224451 -1.0600340 0.3018830
C 2.3131981 -0.1269390 -0.5671220
C 1.9308190 1.2949990 -0.5010020
H 2.2481551 -2.0918519 0.2068640
H 2.9431391 -0.4149810 -1.4085680
H -1.2811600 -0.8764530 -1.8750850
H -1.3482720 1.5624220 -2.2354391
H 1.2522020 -0.8351050 1.1287990
H 1.9580150 1.5478700 1.6005870
H 1.7930540 1.7990460 -1.4583290
H 1.4771700 3.0400701 0.6074140
H -1.5593160 1.8417250 -0.4246230
C -1.5288830 -0.8378880 0.2861110
O -1.1754479 -0.1049350 1.3694860
H -0.6589630 0.6651100 1.0816990
O -1.9680020 -1.9506550 0.4107200