A device provides additional support for the pivot stud of a pitman arm andor idler arm in center link steering systems by capturing the pivot stud and inhibiting lateral motion of the pivot stud. Sequences are represented by a function of sequence context, called the context functional descriptor. Such materials may be used, for example, for dressings, wound inserts, or pads. The resulting compositions are spin bowl compatible, are wet developable, and have superior optical properties. This disclosure also provides compositions comprising a compound of this disclosure and the use of such compositions in methods of treating HIV infections.