pGlu-Pro-Arg-MNA monoacetate is a thrombin substrate which has been modeled after a thrombin cleavage site in human fibrinogen, can be used for a sensitive assay of antithrombin III activity.

Sennoside D is an anthraquinone glycoside extracted from leaves and pods of Cassia angustifolia.

Ser-Ala-alloresact is a sperm activating peptide (SAP). The peptides released from eggs of marine invertebrates play a central role in fertilization.