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2-Ethyl-1-butene,certified 标准品
Sulfometuron methyl Solution in Toluene
间氯霉素(苏式)
(办证)甲硝唑-D4(甲硝唑氘代物) 标准品
2.2'.3.5.5'.6-Hexachlorobiphenyl Solution 100ug/ml in Hexane (无证书)
Perthane
First Standard® 乙腈中氯磺隆溶液,1000μg/mL
Dicyclohexylcarbinol (无证书)
4-甲基庚烷
丙酮中氟胺氰菊酯溶液标准物质