Benserazide hydrochloride (Ro 4-4602) 是一种芳香族 L-氨基酸脱羧酶（AADC）的抑制剂，常用于帕金森病。

TB5 是一种选择性可逆 hMAO-B 有效抑制剂，Ki=0.11±0.01 μM。

Minaprine dihydrochloride 是一种可逆的单胺氧化酶 MAO-A 抑制剂，对乙酰胆碱酯酶有微弱抑制，是一种抗抑郁类化合物。

ABC34 is an inactive control probe for JJH260 , the inhibitor of androgen-induced gene 1 (AIG1), an enzyme that hydrolyzes fatty acid esters of hydroxy fatty acids (FAHFAs). ABC34 demonstrates an IC50 value greater than 25 μM for the inhibition of 9-PAHSA but is more potent in blocking the serine hydrolase ABHD6 and the palmitoyl-protein hydrolase PPT1, which are both off-targets of JJH260.

MK-0952 is a selective PDE4 inhibitor used to treat long-term memory loss and mild cognitive impairment. It is an intrinsically potent inhibitor and has shown limited whole blood activity.

Denbufylline (BRL 30892) 是一种磷酸二酯酶-4 (PDE4) 抑制剂，通过抑制细胞内 cAMP (环磷酸腺苷) 的降解来升高细胞内 cAMP 水平，从而调节多种细胞功能。Denbufylline 可用于慢性阻塞性肺病 (COPD)、哮喘及其他炎症性疾病的研究。