18 comment:c C 0.3485080 0.9843800 0.4603380 C -1.6002390 0.2193090 -0.2076070 C -1.5560200 -1.2045350 -0.2667000 C 0.2687680 -1.8563991 0.3279880 C 1.1805310 -1.1065550 -0.4535320 C 1.2103170 0.2658640 -0.3982570 H -2.1591840 0.6832050 0.6040170 H -2.1364660 -1.7558700 0.4722180 H 0.2689380 -2.9387341 0.2001170 H 1.7015830 -1.6039690 -1.2699170 H -1.5769870 -1.6686130 -1.2503690 H -1.6152450 0.7824820 -1.1375051 H 0.1268890 -1.5625970 1.3673290 H 0.1395620 0.5616090 1.4390190 H 1.7653630 0.8247000 -1.1520751 N 0.3744400 2.3900080 0.4769470 H 0.4716380 2.8000879 -0.4440510 H -0.4248740 2.7939341 0.9474930