19
 comment:c
C 1.7811490 2.0102170 0.5895780
C -1.4076490 1.1433250 -1.2077650
C -1.3506370 -0.1732940 -1.0273390
C 1.9015760 -1.0451630 0.3002590
C 2.3293619 -0.1279460 -0.5682250
C 1.9698530 1.3006901 -0.5256090
H 2.2107739 -2.0835950 0.2244090
H 2.9745770 -0.4357290 -1.3908830
H -1.2311950 -0.8582330 -1.8615460
H -1.3109500 1.5834460 -2.1959980
H 1.2170500 -0.7991850 1.1092960
H 1.9364820 1.5712950 1.5734730
H 1.8697420 1.7987421 -1.4906830
H 1.5097740 3.0619709 0.5535180
H -1.5804050 1.8409510 -0.3902930
C -1.5410550 -0.8488840 0.2911420
O -1.2327000 -0.1236170 1.3937920
H -0.7307800 0.6635340 1.1295691
O -1.9626890 -1.9708101 0.3902820