SU 1498 是受体酪氨酸激酶 VEGF 受体 2（VEGFR2，又名 FLK1；IC50 = 700 nM）的选择性抑制剂。

[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.

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）。