19 comment:c C 1.7345721 2.0730121 0.3553410 C -1.3082520 1.2094070 -1.0236320 C -1.2427700 -0.1139640 -0.9079810 C 1.7499779 -0.9833990 0.2643550 C 2.3734260 -0.1588490 -0.5794710 C 2.2208071 1.3059750 -0.6226290 H 1.9184160 -2.0557871 0.2355880 H 3.0461380 -0.5848700 -1.3229860 H -0.9712000 -0.7419990 -1.7509160 H -1.0716990 1.7052380 -1.9600090 H 1.0492181 -0.6268490 1.0161999 H 1.4464910 1.6586030 1.3202389 H 2.5431769 1.7864500 -1.5462290 H 1.6416510 3.1488450 0.2375610 H -1.6234630 1.8642150 -0.2122380 C -1.5737720 -0.8861630 0.3265140 O -1.5347461 -0.2114960 1.5018450 H -1.1704370 0.6729660 1.3562980 O -1.8606720 -2.0537519 0.3047960