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2-Ethyl-1-butanol
First Standard® 甲醇中除草定溶液,100μg/mL
异丙醇中羟基粉锈宁溶液标准样品
2,4-Dimethylsulfolane
癸酸乙酯
2-Methylthio-3-methyl- and 2-methylthio-5-methylpyrazine, Isomer mixture
壬基酚聚氧乙烯醚(9-10) (无证书)
Pyrrole-2-carboxaldehyde (无证书)
甲氧氯, 200ug/ml异辛烷溶液 标准品
甲醇中丙硫克百威(本身有效期6个月)
Acetylcholine-1,1,2,2-d4 Bromide 标准品