聚(9-乙烯基咔唑),Poly(9-vinylcarbazole) [PVK];average Mn 25,000-50,000
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哌唑嗪盐酸盐,Prazosin hydrochloride;pharmaceutical secondary standard, certified reference material
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正四十烷,Tetracontane;≥95.0% (GC)
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氯化铽,Terbium(III) chloride;anhydrous, powder, 99.99% trace metals basis
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胃蛋白酶抑制剂,Pepstatin A;microbial, ≥90% (HPLC)
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乙酰苯胺,Acetanilide;purified by sublimation, ≥99.9%
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石油醚,Petroleum benzine boiling range 50-70°C;EMPLURA®