[Des-Tyr1]-gamma-Endorphin is a neuropeptide, which can be found in human cerebrospinal fluid. [Des-Tyr1]-gamma-Endorphin exhibits antidepressant efficacy, facilitates the extinction of active avoidance and attenuates the passive avoidance behavior in rats.

AVP-13358 is a CD23 antagonist (immunoglobulin ε-Fc receptor antagonist), an immunoglobulin E inhibitor.

Sodium palmitate is a common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.