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4-Heptyl环己烷carboxylic acid
甲拌磷
α-群勃龙 标准品
吡虫啉农药纯度标准物质
草莓咪唑菌酮质控样
Prohexadione-Calcium Solution 100ug/ml in Acetonitrile
氯磺隆
Bromocresol green (无证书)
苹果汁中的乐果质控样
Semi-Volatile Base Neutrals Extractable Mixture #2 - Skinner List (repkg) 2000ug/ml in Methylene chl