Acetalin-1 (Ac-RFMWMK-NH2), a hexapeptide, is a μ opioid receptor antagonist with high affinity for μ and κ3 opioid receptor, weak affinity for κ1 receptors and no affinity for κ2 receptors.

Cecropin B is a small antibacterial peptide from the giant silkmoth, Hyalophora cecropia.

(±)5(6)-EpETE methyl ester is a derivative of 5(6)-EpETE which is stable enough to ship and handle routinely.(±) 5(6)-EpETE methyl ester is a chemically less reactive derivative of 5(6)-EpETE.