β-胡萝卜素,β-Carotene;Pharmaceutical Secondary Standard; Certified Reference Material
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三(丁基环戊二烯)化钇(III),Tris(butylcyclopentadienyl) yttrium(III);99.9% trace metals basis
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穗花杉双黄酮,Amentoflavone;analytical standard, ≥98.0% (HPLC)
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5-氨基间苯二甲酸,5-Aminoisophthalic acid;94%
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(4-苯氧基苯基)二苯基锍三氟甲磺酸盐,(4-Phenoxyphenyl)diphenylsulfonium triflate
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17α-甲基睾甾酮 [甲睾酮],17α-Methyltestosterone;≥98% (HPLC), solid (photosensitive)