Cecropin B (free acid) is a polypeptide that can be found by peptide screening. Peptide screening is a research tool that pools active peptides primarily by immunoassay. Peptide screening can be used for protein interaction, functional analysis, epitope screening, especially in the field of agent research and development.

[Arg8]-Vasotocin (TFA) is a nonmammalian vertebrate neurohypophyseal peptide.

2-BFI hydrochloride is a high-affinity agonist of I2-imidazoline receptor. 2-BFI hydrochloride can be used in studies about protection against stroke and acute inflammatory immune disease.