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Dalapon Sodium
First Standard® 氯氟吡氧乙酸
利谷隆
丙酮中氯氟吡氧乙酸标准溶液
甲氧苄啶 标准品
Cyclododecane
Massachusetts EPH Surrogate Spiking Mixture #1 400ug/ml in Acetone
Nitrothal isopropyl
4.4'-DDE Solution 100ug/ml in Methanol
醋酸炔诺酮溶液,100ppm