-
First Standard® 甲醇中外环氧七氯溶液,100μg/mL
Heptachlor-2, 3-exo-epoxide Solution in Methanol, 100μg/mLFirst Standard®天津
-
外环氧七氯标准溶液,1024-57-3,analytical standard,100ug/ml in Petroleum ether
-
外环氧七氯标准溶液,1024-57-3,analytical standard,100ug/ml in Petroleum ether
-
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
-
外环氧七氯标准溶液,1024-57-3,analytical standard,10ug/ml in Petroleum ether
-
First Standard® 乙酸乙酯中外环氧七氯溶液,100μg/mL
Heptachlor-2, 3-exo-epoxide Solution in Ethyl acetate, 100μg/mLFirst Standard®天津
-
外环氧七氯标准溶液,1024-57-3,1000ug/ml in Purge and Trap Methanol
-
外环氧七氯
-
First Standard® 甲醇中内环氧七氯溶液, 1000μg/mL
Heptachlor endo-epoxide Solution in Methanol, 1000μg/mLFirst Standard®天津
-
外环氧七氯标准溶液
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