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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。

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。

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。

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

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

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。

Acid-PEG3-C2-Boc is a compound used as a linker in the synthesis of PROTACs to facilitate the degradation of EGFR and the inhibition of mTOR[1][2]. It is classified as a PEG- and alkyl ether-based PROTAC linker.

Amino-PEG9-amine 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.

Aminooxy-PEG7-methane 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.

BDP FL-PEG5-azide 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.

Biotin-PEG5-azide 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.

Bis-Mal-PEG3 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.

BnO-PEG4-OH 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.

Bromo-PEG5-bromide 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.

endo-BCN-PEG3-acid 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.

Fmoc-NH-ethyl-SS-propionic NHS ester is a cleavable linker for antibody-drug conjugates (ADCs)[1]. It is employed in the synthesis of ADCs, facilitating the covalent attachment of drugs to antibodies through the formation of stable amide bonds.

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.

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].

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.

N-Succinimidyl 3-(Bromoacetamido)propionate is a PEG-based PROTAC linker employed in the synthesis of PROTACs and antibody-drug conjugates (ADCs) [1, 2]. It acts as a cleavable ADC linker, facilitating the conjugation of drugs to antibodies for targeted delivery [2].

Propargyl-PEG4-Boc 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.

Propargyl-PEG3-methane 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.

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].