Nc2ncnc3n([C@@H]1O[C@H](OC[P@]([O-])(=O)O[P@]([O-])(=O)OP([O-])([O-])=O)CC1F)cnc23 914_825_3KK1 -2.647 250.01 30 489.142 16 2 1 8 332.477