Astressin is an amino-terminal truncated analog of CRF that retains high affinity binding to the extracellular domain of the receptor and is believed to act as a neutral competitive antagonist of receptor activation.

Letosteine (Viscotiol) is an orally active, effective, and safe expectorant that can be used in the study of acute or chronic respiratory diseases, for example, bronchopulmonary disease.

N-Benzylpentadecanamide is a natural product.