BR102910是一种选择性的成纤维细胞活化蛋白 (FAP) 抑制剂，IC₅₀ 为 2 nM。该化合物还抑制脯氨酰寡肽酶 (PREP)，IC₅₀ 为 49 μM，广泛用于 2 型糖尿病和相关纤维化疾病的研究。

Linderene acetate是从 Lindera strychnifolia 中分离得到的脯氨酸肽链内切酶抑制剂，广泛用于研究蛋白质降解机制和蛋白质折叠病理过程。

SP-13786 is a highly potent and selective inhibitor of fibroblast activation protein (FAP) with an IC50 of 3.2 nM and also inhibits prolyl oligopeptidase (PREP) with an IC50 of 1.8 μM.

KYP-2047是一种有效的、可穿透血脑屏障的脯氨酸寡肽酶 (POP) 抑制剂，其 Ki 值为 0.023 nM。KYP-2047 通过调节血管生成和细胞凋亡，显著减少胶质母细胞瘤的增殖，具有研究脑肿瘤的潜力。

Oroxylin A 7-O-beta-D-glucuronide, a natural product isolated and purified from the roots of Scutellaria regeliana Nakai., can bind to the "stem" region of α-hemolysin (α-HL), when inhibiting the hemolytic activity of α-HL, and inhibit 34% of total prolyl oligopeptidase (POP) activity, respectively at a concentration of 100 mM.

Salidroside (Rhodioloside) 是一种脯氨酰内肽酶 (prolyl endopeptidase) 抑制剂。通过激活 mTOR 信号，Salidroside 可缓解肿瘤恶病质小鼠模型中的恶病质症状，并通过增强 PINK1/Parkin 介导的线粒体自噬来保护多巴胺能神经元。

CY2-SE is a dye for the labeling of amino-groups in peptides, proteins, and oligonucleotides.

Y-29794 is a prolyl endopeptidase inhibitor with Ki value of 0.95nM for rat brain prolyl endopeptidase.