Cholecystokinin Octapeptide (1-2) (desulfated) (H-Asp-Tyr-OH) 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.

Butyl (E)-2-methylbut-2-enoate is an aromatic compound found in papaya.

A novel combretastatin A-4 derivative that strongly stanches tumour blood flow and inhibits growth of tumours developing in various tissues and organ.