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2-Butanone (MEK) Solution 标准品
丙溴磷 BePure-25173YB
另丁津
肟菌酯
KDWR PESTICIDES KIT, 5X1ML, METHANOL 100 0UG/ML 标准品
First Standard® 甲醇中内环氧七氯溶液, 1000μg/mL
环己烷中2,3,5,6-四氯苯胺
4-Pregnen-11β,21-diol-3,20-dione-2,2,4,6,6,17α,21,21-d8 标准品
First Standard® 甲苯中西草净溶液,1000μg/mL
PNA Solution Kit