[Met5]-Enkephalin, amide is an agonist for δ opioid receptors as well as putative ζ (zeta) opioid receptors.Met-enkephalin circulates in several forms, some of which may be derived from proteins other than proenkephalin A, and plasma levels of both free native, and peptidase-derivable Met-enkephalin are modulated physiologically.

(E)-dec-3-enoic acid (trans-3-decenoic acid) participates in the production of nanomaterials and can be used to study neurological diseases.

URB602是一种特异性单酰基甘油脂肪酶（MGL）抑制剂，通过非竞争性机制抑制大鼠脑MGL（IC50：28±4 μM）。