19
 comment:c
C 1.7217590 1.0142130 0.1584110
C -1.2100270 0.1333010 -0.8659380
C -1.1754720 -1.1930410 -0.9625720
C 1.5495570 -2.0281041 0.2373020
C 2.2406931 -1.2998090 -0.6430800
C 2.2719309 0.1705750 -0.7176060
H 1.5899270 -3.1138599 0.2216300
H 2.8371670 -1.8209060 -1.3913790
H -0.9516250 -1.6836240 -1.9050601
H -1.0306660 0.7836850 -1.7160350
H 0.9269320 -1.5733531 1.0048530
H 1.2038460 0.6651630 1.0494010
H 2.7933631 0.5861790 -1.5792500
H 1.7782010 2.0898399 0.0191870
H -1.3783230 -1.8298850 -0.1067170
C -1.5258670 0.8529650 0.3872130
O -1.7783910 2.0335641 0.4558770
O -1.5057451 0.0607240 1.4866480
H -1.7572640 0.6387600 2.2251220