(-)-牛蒡子苷元，(−)-Arctigenin；≥95% (LC/MS-ELSD)
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![图片 1-[2-氯-4-(4-氯苯氧基)苯基]乙酮，1-[2-Chloro-4-(4-chlorophenoxy)phenyl]ethanone](https://www.bszh.cn/images/thumbs/0009895_1-2-4-4-1-2-chloro-4-4-chlorophenoxyphenylethanone_32.png "显示明细 1-[2-氯-4-(4-氯苯氧基)苯基]乙酮，1-[2-Chloro-4-(4-chlorophenoxy)phenyl]ethanone")
1-[2-氯-4-(4-氯苯氧基)苯基]乙酮，1-[2-Chloro-4-(4-chlorophenoxy)phenyl]ethanone -
![图片 二甲氧基二甲基硅烷，Dimethoxydimethylsilane [DMDMS]；≥99.5%, 99.999% metals basis](https://www.bszh.cn/images/thumbs/0009464_dimethoxydimethylsilane-dmdms995-99999-metals-basis_32.png "显示明细 二甲氧基二甲基硅烷，Dimethoxydimethylsilane [DMDMS]；≥99.5%, 99.999% metals basis")
二甲氧基二甲基硅烷，Dimethoxydimethylsilane [DMDMS]；≥99.5%, 99.999% metals basis -
![图片 5,5'-二硫代双(2-硝基苯甲酸)，5,5′-Dithiobis(2-nitrobenzoic acid) [DTNB]；≥98%, BioReagent, suitable for determination of sulfhydryl groups](https://www.bszh.cn/images/thumbs/0000715_55-2-55-dithiobis2-nitrobenzoic-acid-dtnb98-bioreagent-suitable-for-determination-of-sulfhydryl-grou_32.png "显示明细 5,5'-二硫代双(2-硝基苯甲酸)，5,5′-Dithiobis(2-nitrobenzoic acid) [DTNB]；≥98%, BioReagent, suitable for determination of sulfhydryl groups")
5,5'-二硫代双(2-硝基苯甲酸)，5,5′-Dithiobis(2-nitrobenzoic acid) [DTNB]；≥98%, BioReagent, suitable for determination of sulfhydryl groups -
![图片 4'-羟基-2,2',4-三溴二苯醚，4'-Hydroxy-2,2',4-tribromodiphenyl Ether；50 μg/mL in Acetonitrile [1ml/vial]](https://www.bszh.cn/images/thumbs/default-image_32.png "显示明细 4'-羟基-2,2',4-三溴二苯醚，4'-Hydroxy-2,2',4-tribromodiphenyl Ether；50 μg/mL in Acetonitrile [1ml/vial]")
4'-羟基-2,2',4-三溴二苯醚，4'-Hydroxy-2,2',4-tribromodiphenyl Ether；50 μg/mL in Acetonitrile [1ml/vial] -
4'-氨基苯并-18-冠-6，4′-Aminobenzo-18-crown-6；technical
