b 2

B2 (Linazolamide intermediate B impurity 2) 促进亨廷顿病和帕金森病细胞模型中的包涵体形成。

Cassiaside B2 是蛋白酪氨酸磷酸酶1B (PTP1B) 和人单胺氧化酶A (hMAO-A) 的抑制剂。Cassiaside B2是 5-HT2C 受体的激动剂， 具有抗过敏活性。Cassiaside B2 是萘吡喃酮参比提取物（NRE）的有效成分之一。

Saikosaponin B2 是从柴胡根中分离得到的一种活性成分，可抑制 HCV 病毒感染的侵入，有抗癌作用。

Polymyxin B2是一种抗生素，并且是从B. polymyxa分离出的阳离子脂肽抗生素polymyxin B的主要成分。该化合物对P. aeruginosa、A. baumannii、K. pneumoniae和E. cloacae菌株具有活性（MICs分别为1-2、0.5-1、0.25-0.5和0.25-1 µg/ml）。在体内实验中，以4 mg/kg剂量的Polymyxin B2能显著降低P. aeruginosa血液感染小鼠模型中的血液集落形成单位(CFUs)数量。

Aflatoxin B2-13C17(AFB2-13C17) is intended for use as an internal standard for the quantification of AFB2by GC- or LC-MS. AFB2is a mycotoxin that has been found inA. terricola.1It induces hepatic autophagy and apoptosis in broiler chickens when administered at doses of 0.2, 0.4, and 0.8 mg kg.2AFB2(0.5 and 1 mg animal) also induces parenchymal cell hyperplasia in rats.3 1.Moubasher, A.H., el-Kady, I.A., and Shoriet, A.Toxigenic Aspergilli isolated from different sources in EgyptAnn. Nutr. Aliment.31(4-6)607-615(1977) 2.Chen, B., Li, D., Li, M., et al.Induction of mitochondria-mediated apoptosis and PI3K Akt mTOR-mediated autophagy by aflatoxin B2 in hepatocytes of broilersOncotarget7(51)84989-84998(2016) 3.Wogan, G.N., Edwards, G.S., and Newberne, P.M.Structure-activity relationships in toxicity and carcinogenicity of aflatoxins and analogsCancer Res.31(12)1936-1942(1971)

Clostomycin B2 is a bioactive chemical.

Thromboxane B2 是一种在过敏反应期间释放的前列腺素衍生物。Thromboxane B2 诱导动脉收缩和血小板聚集。

Destruxin B2 is a cyclic hexadepsipeptide mycotoxin that has been found in M. anisopliae and has antiviral, insecticidal, and phytotoxic activities.1,2,3 It inhibits secretion of hepatitis B virus surface antigen (HBsAg) by Hep3B cells expressing hepatitis B virus (HBV) DNA (IC50 = 1.3 μM).1 Destruxin B2 is toxic to Sf9 insect cells in an electric cell-substrate impedance sensing (ECIS) test with a 50% inhibitory concentration (ECIS50) value of 92 μM.4 It is also phytotoxic to B. napus leaves.3 |1. Yeh, S.F., Pan, W., Ong, G.-T., et al. Study of structure-activity correlation in destruxins, a class of cyclodepsipeptides possessing suppressive effect on the generation of hepatitis B virus surface antigen in human hepatoma cells. Biochem. Biophys. Res. Commun. 229(1), 65-72 (1996).|2. Male, K.B., Tzeng, Y.-M., Montes, J., et al. Probing inhibitory effects of destruxins from Metarhizium anisopliae using insect cell based impedance spectroscopy: Inhibition vs chemical structure. Analyst 134(7), 1447-1452 (2009).|3. Buchwaldt, L., and Green, H. Phytotoxicity of destruxin B and its possible role in the pathogenesis of Alternaria brassicae. Plant Pathol. 41(1), 55-63 (1992).

Procyanidin B2 (Proanthocyanidin B2) 是天然黄酮类物质，具有抗肿瘤，抗氧化等活性。

Hydrolyzed Fumonisin B2 (HFB2) is a hydrolysis product of fumonisins (HF), which retains biological activity. It exhibits phytotoxicity.

Fumonisin B2 is a mycotoxin produced by Fusarium moniliforme in various grains. It also is a potent inhibitor of sphingosine N-acyltransferase (ceramide synthase). Which disrupts de novo sphingolipid biosynthesis.

Polymyxin B2 is an antibiotic primarily utilized for resistant Gram-negative infections. It is derived from the bacterium Bacillus polymyxa.

Procyanidin B2 3,3'-di-O-gallate 是一种天然产物，可用于生命科学领域的相关研究。其产品编号为 TN5497，CAS号为 79907-44-1。

Prostaglandin B2 (PGB2) is a non-enzymatic dehydration product resulting from the treatment of PGE2 or PGA2 with strong base. It has weak agonist activity on TP receptors and can increase pulmonary blood pressure in the rabbit at relatively high doses (5 ug kg). [1]

Procyanidin B2 3''-O-gallate 是一种天然产物，可用于生命科学领域的相关研究。其产品编号为 TN5492，CAS号为 73086-04-1。

I5B2 is a novel phosphorus-containing angiotensin I converting enzyme inhibitor. Angiotensin I converting enzyme is produced by Actinomadura sp.

Galanin-B2 在癫痫模型中表现出活性，并能穿透血脑屏障。

Dracoflavan B2 是一种有用的有机化合物，可用于生命科学领域的相关研究，其产品编号为 T125453。

Wistariasaponin B2 是一种有用的有机化合物，可用于生命科学领域的相关研究。其产品编号为 T126123，CAS号为 126594-46-5。

Calystegine B2 是一种有用的有机化合物，可用于生命科学领域的相关研究，其产品编号为 T126111。

Thromboxane B2 (TXB2) is a compound significantly released from aggregating platelets and undergoes metabolic transformation during circulation into 11-dehydro TXB2 and 2,3-dinor TXB2. The latter, 2,3-dinor TXB2, serves as a prevalent urinary metabolite of TXB2 and acts as an indicator for in vivo TXA2 synthesis. Studies have shown that in healthy male volunteers, the median excretion rate of 2,3-dinor TXB2 is measured at 10.3 ng hour, equivalent to 138 pg mg of creatinine.

6′′-O-Acetylsaikosaponin b2（化合物11）是柴胡中提取的自然存在的柴胡皂苷。

Ilexsaponin B2 是一种天然产物，可用于生命科学领域的相关研究。其产品编号为 TJS0502，CAS号为 108906-69-0。

IDH1 Inhibitor 是一种化学化合物，其通过选择性抑制异柠檬酸脱氢酶1 (IDH1) 酶的活性来起作用。这种抑制剂对R132突变的IDH1酶特别有效，因此在某些类型的癌症治疗中具有潜在的应用价值。IDH1 Inhibitor能够阻断异常的代谢途径和纠正肿瘤细胞增殖的代谢异常。在药物研发和临床试验中，研究人员评估其对特定肿瘤生长的抑制效果及其安全性和耐受性。