19
 comment:c
C 1.6743480 2.0770731 0.3034850
C -1.2291160 1.2199290 -0.9858250
C -1.1917200 -0.1053430 -0.8790490
C 1.7253480 -0.9803390 0.2603170
C 2.3219111 -0.1657380 -0.6127190
C 2.2550280 1.3061310 -0.6185500
H 1.8248399 -2.0589039 0.1839300
H 2.9109111 -0.6098060 -1.4141411
H -0.9056210 -0.7298860 -1.7195390
H -0.9544900 1.7177660 -1.9104890
H 1.1186690 -0.6127690 1.0856420
H 1.2120670 1.6601300 1.1967810
H 2.7276261 1.7923610 -1.4713840
H 1.6693990 3.1595020 0.2138720
H -1.5548520 1.8774900 -0.1805820
C -1.5655460 -0.8876030 0.3365170
O -1.5890950 -0.2220940 1.5170330
H -1.2547899 0.6768050 1.3924080
O -1.8326139 -2.0596180 0.2956630