The halogen-bond (X-bond) donors 1. 3- and 1. 4-diiodotetrafluorobenzene (1. 3-di-I-tFb and 1. https://www.spidertattooz.com/Antiqued-Brass-Color-Glue-On-Bar-Pin-Back-1-1-4-Inch-32mm-10-Pieces/