氧化锗(IV),Germanium(IV) oxide;(crystalline powder), 99.998% trace metals basis
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丙戊酸钠盐,Valproic acid sodium salt;98%
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D-(-)-奎宁酸,D-(−)-Quinic acid;98%
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羟乙基哌嗪乙硫磺酸,HEPES;reagent grade, ≥99% (titration), crystalline
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抑肽酶来源于牛肺,Aprotinin from bovine lung [BPTI];recombinant, expressed in Nicotiana (tobacco), ≥5 TIU/mg protein, ≥98% (SDS-PAGE)