Splenopentin diacetate is a synthetic immunomodulating peptide and can reproduce the biological activities of splenin and thymic hormone thymopoietin.

MPSD (MARCKS-ED) is a 25-amino acid peptide based on the effector domain sequence of the intracellular membrane protein myristoylated alanine-rich C-kinase substrate (MARCKS). MPSD can sense membrane curvature and recognize phosphatidylserine. MPSD can be utilized as biological probe to study membrane shape and lipid composition.

Mefloquine, a quinoline antimalarial agent, is an anti-SARS-CoV-2 entry inhibitor.