18 comment:c C 0.0911800 0.8938230 0.3976820 C -1.2876650 0.3459090 -0.0969110 C -1.3016690 -1.2093220 -0.1732820 C 0.0558000 -1.8127180 0.2463440 C 1.1639190 -1.0969460 -0.4803230 C 1.1753750 0.2322710 -0.4089390 H -2.0763879 0.7040120 0.5772290 H -2.0980389 -1.6207600 0.4573260 H 0.0723480 -2.8914130 0.0617650 H 1.9025030 -1.6559240 -1.0501699 H -1.5160350 -1.5291370 -1.1988159 H -1.4963450 0.7761810 -1.0845360 H 0.1843270 -1.6793700 1.3309050 H 0.1968450 0.5545060 1.4398870 H 1.9243881 0.8530560 -0.8968400 N 0.3092420 2.3382411 0.4348010 H 0.2636730 2.7217829 -0.5067160 H -0.4268720 2.7958961 0.9658030