Supramolecular polymer therapeutics and diagnostics

A compound of formula (XVI):

• wherein:
• R1, R5, and R6 are each independently selected from aryl, substituted aryl, heteroaryl, substituted heteroaryl, alkyl, substituted alkyl, —CH2R20, —CHMeR20, —CH(OH)R20, cycloalkyl, substituted cycloalkyl, heterocycle, substituted heterocycle, alkenyl, alkynyl, acyl, nitro, halo, amino, substituted amine, ether, thioether, and H;
• Ar is selected from aryl, substituted aryl, heteroaryl, and substituted heteroaryl;
• A is selected from N, CH, C(halo);
• X is selected from O and N—R2;
• R2 and R20 are each independently selected from aryl, substituted aryl, heteroaryl, substituted heteroaryl, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, heterocycle, substituted heterocycle, alkenyl, alkynyl, acyl, and H;
• and
• Ring B is a 5-membered heteroaryl ring.