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α-Cyano-4-hydroxycinnamic acid (α-Cyano-4-hydroxycinnamic acid(α-CHCA)) 是非竞争性单羧酸盐转运蛋白 (MCTs) 抑制剂，可抑制线粒体丙酮酸转运蛋白，Ki 值为 6.3 μM。它可作为基质辅助激光解吸电离-飞行时间质谱 (MALDI-TOF) 分析的基质，可以促进肽离子化。

D-Glucuronic acid sodium salt monohydrate (Sodium D-glucuronate) 是内源性代谢产物的一种。

Proteinase 是一种催化蛋白质分解的酶。它们通过水解作用来裂解蛋白质内的肽键，将蛋白质分解成更小的多肽或单个氨基酸。Proteinase 参与许多生物功能，包括消化进食的蛋白质、旧蛋白质的分解，以及细胞信号传递。它们同时促进新的蛋白质产物的形成

Casanthranol是从Rhamnus p.的干燥树皮（通常称为cascara sagrada）提取的高浓度的蒽酚苷混合物。Casanthranol 主要用于缓解便秘。Casanthranol通过其对肠壁的作用，促进肌肉收缩的增加，从而帮助肠道运动。

Rocuronium bromide (ORG 9426) 是一种氨基甾体类的、非去极化的神经肌肉受体抑制剂，也是一种肌肉松弛剂。

DIF-3通过激活GSK-3β促进cyclin D1和c-Myc的降解，从而减少这些蛋白的表达水平。此外，DIF-3在DLD-1细胞中抑制Wnt β-catenin信号通路相关蛋白的活性。该化合物通过诱导cyclin D1降解和抑制cyclin D1 mRNA表达，对HeLa人类宫颈癌细胞系展示出强大的抗增殖效果[1]。

Coumarin 6 (Coumarin VI) 是一种荧光染料，可作为微粒给药系统中的荧光探针，研究药物给药系统的体内跟踪、细胞摄取和转运机制。

m-PEG4-phosphonic acid ethyl ester is a PEGylation-based linker for the design and synthesis of PROTACs, which are heterobifunctional molecules facilitating targeted protein degradation[1].

(S)-TCO-PEG8-NHS ester含有8个PEG单元，属于ADC Linker类化合物。该化合物的TCO基团能够与具备Tetrazine基团的分子进行逆电子需求 Diels-Alder反应(iEDDA)。'

(S)-TCO-PEG3-NH2, an ADC linker featuring three PEG units, utilizes its TCO group to facilitate the inverse electron demand Diels-Alder reaction (iEDDA) with tetrazine-group molecules.

Me-Tet-PEG9-NHS 是一种 ADC Linker，含有 9 个 PEG 单元。Me-Tet-PEG9-NHS 利用其 Tetrazine 基团，可与含有 TCO 基团的化合物发生特异的逆电子需求 Diels-Alder 反应 (iEDDA)。

SARS-CoV-2-IN-10 is a powerful and non-toxic inhibitor of SARS-CoV-2 3CL protease, with IC50 and EC50 values of 0.13 nM and 1.03 nM, respectively. The SARS-CoV-2 3C-like protease (3CLpro) is a critical enzyme for viral replication and serves as an ideal target for intervention. By targeting the SARS-CoV-2 3CL protease, SARS-CoV-2-IN-10 has the potential to facilitate the development of effective antiviral drugs specific to SARS-CoV-2.

m-PEG-NPC (MW 20000) is a PEG-based linker for PROTACs which joins two essential ligands, crucial for forming PROTAC molecules. This linker enables selective protein degradation by leveraging the ubiquitin-proteasome system within cells.

Thalidomide-O-C3-acid is a chemically derived conjugate that combines a cereblon ligand based on Thalidomide and a linker commonly employed in PROTAC technology. This synthesized E3 ligase ligand-linker conjugate serves to facilitate targeted protein degradation.

(±)-trans-1,2-Bis(2-mercaptoacetamido)cyclohexane (BMC) is a cyclohexane with two mercaptoacetamido groups. It is used, both in vitro and in vivo, to promote the correct folding of proteins that require disulfide bonds for functionality. For in vitro applications, BMC may be used to facilitate protein refolding of solubilized proteins from inclusion bodies. Reducing agents, like dithiothreitol, may interfere with refolding. BMC may also be added to the growth medium of cells, including yeast cells, to enhance the folding of proteins with disulfide bonds in vivo.

Mal-PEG1-Val-Cit-PABC-OH is a 1 unit polyethylene glycol (PEG) ADC linker that possesses cleavable properties. This linker, commonly utilized in the synthesis of antibody-drug conjugates (ADCs), serves as a critical component facilitating the conjugation of drugs to antibodies[1].

N-Boc-N-bis-PEG5 is a PEG-based linker for PROTACs which joins two essential ligands, crucial for forming PROTAC molecules. This linker enables selective protein degradation by leveraging the ubiquitin-proteasome system within cells.

NT1-O12B, an endogenous neurotransmitter-derived lipidoid (NT-lipidoid), serves as a highly efficient carrier for enhancing the transportation of various blood-brain barrier (BBB)-impermeable cargos to the brain. Incorporating NT1-O12B into BBB-impermeable lipid nanoparticles (LNPs) enables these LNPs to effectively traverse the BBB. In addition to enabling cargo passage through the BBB, NT-lipidoid formulations facilitate efficient delivery of the cargo into neuronal cells for purposes such as functional gene silencing or gene recombination[1].

Phenovalin作为一种泻药，在医学领域中用以促进肠道排便。

Fmoc-NH-pentanoic acid-NHS-SO3Na is a PROTAC linker molecule derived from an alkyl chain. It possesses the ability to facilitate the synthesis of PROTACs[1].

Boc-NH-PEG2-C2-NH2 (PROTAC Linker 13) is a PEG-based linker utilized for the synthesis of PROTACs. This chemical compound plays a crucial role in connecting the targeted protein and the E3 ubiquitin ligase for selective protein degradation[1].

m-PEG16-NH2 is a PEG-based linker for PROTACs which joins two essential ligands, crucial for forming PROTAC molecules. This linker enables selective protein degradation by leveraging the ubiquitin-proteasome system within cells.

Ergosta-4,6,8(14),22-tetraen-3-one exhibits cytotoxic activity against human gastric cancer cells and can induce G2 M cell cycle arrest and apoptosis in human hepatocellular carcinoma (HepG2) cells, offering potential for future therapeutic applications in humans.

m-PEG3-CH2COOH is a PEG-based linker for PROTACs which joins two essential ligands, crucial for forming PROTAC molecules. This linker enables selective protein degradation by leveraging the ubiquitin-proteasome system within cells.