-
环氧七氯A BePure-23257YM
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环氧七氯B BePure-23251LM
-
环氧七氯B BePure-23251XM
-
环氧七氯B BePure-23251YM
-
环氧七氯A Bepure-GBW(E)082814
-
First Standard® 乙腈中外环氧七氯溶液,100μg/mL
Heptachlor-2, 3-exo-epoxide Solution in Acetonitrile, 100μg/mLFirst Standard®天津
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A0303236 乙酸乙酯中外环氧七氯溶液,100μg/mL CAS号91296-86-5
-
GNM-SNO3N-001b-2013 乙腈中外环氧七氯溶液
-
七氯标准溶液,76-44-8,1000μg/ml,溶剂:甲醇
-
甲醇中外环氧七氯B
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