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80511, Bovine urine (clenbuterol and salbutamol) 标准品
N-Desethylamodiaquine dihydrochloride 标准品
Moisture in Methanol, 93 mg/kg
Methyl-4-chloroacetoacetate (无证书)
地黄苷元
Bis(butoxyethyl)ether (无证书)
哒螨灵农药标准溶液(哒螨酮)*
吡螨胺
4-Chloro-3-methylphenol (ring-2,6-d2)
BENZAL CHLORIDE 5X1ML NEAT