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First Standard® 乙酸乙酯中脱氢乙酸溶液,1000μg/mL
Dehydroacetic acid Solution in Ethyl acetate, 1000μg/mLFirst Standard®天津
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维生素E(DL-α-生育酚) BePure-26509-500mg
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First Standard® 3-吲哚乙酸
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乙酸丁酯,123-86-4,standard for GC,≥99.7%(GC)
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First Standard® 燕麦酯
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乙酸异戊酯,123-92-2,standard for GC,≥99.5%(GC)
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维生素E聚乙二醇琥珀酸酯,9002-96-4,10mM in DMSO
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First Standard® E-烯啶虫胺
-
First Standard® 炔草酯 (消旋体)
-
乙酸正丙酯,109-60-4,standard for GC,>99.5%(GC)
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