α-Neoendorphin (1-8) is a 8-amino acid peptide derived from the N-terminal of α-Neoendorphin. α-Neoendorphin is an endogenous opioid peptide and is a part for the neoendorphins which are a group of endogenous opioid peptides derived from the proteolytic cleavage of prodynorphin isolated from procine hypothalmus and pituitary.

N-Desmethyl Sildenafil is the major metabolite of Sildenafil, a potent phosphodiesterase type 5 (PDE5) inhibitor.

BMS-986235 is a selective and orally active agonist of formyl peptide receptor 2 (FPR2) with EC50s of 0.41 nM and 3.4 nM for hFPR2 and mFPR2, respectively.