The disclosure provides compounds of formula (I) having the structure: Compounds of formula (I) are fractalkine receptor agonists and useful in treating, preventing or minimizing metastasis in a subject diagnosed with cancer. The compounds of the invention are further useful in treating central nervous system diseases (such as, but not limited to, HIV Associated Neurocognitive Disorders (HAND), and/or Alzheimer's disease), pain, inflammation (such as, but not limited to, arthritis), cardiovascular disease (such as, but not limited to, undesired vascular smooth muscle proliferation, atherosclerosis, coronary vascular endothelial dysfunction, and/or coronary artery disease), and/or multiple sclerosis.