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噻虫嗪(阿克泰)(介质:丙酮)
Quechers GC Internal Std EN method 标准品
d-(cis-trans)-Phenothrin Solution in Toluene
2,4,6-Trimethylphenol-d11 标准品
苦参碱 BePure-23818
LA Steel, High Sulfur (SAE 112)
氨苯喋啶溶液,100ppm
戊唑醇农药纯度标准物质
Oxide glass (15 ppm U) 标准品
Thiophanate