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Base-Neutrals Surrogate Std Mix-8250/8270/CLP 1000ug/ml in Methylene chloride
青霉素钾-d5 RMCP16010-10mg
乙酸水中卡那霉素A(介质:0.3 %乙酸水)
17α-羟基孕酮(含干冰运输费)
调环酸钙盐 标准品
Potassium dimethyl dithiocarbamate 标准品
68772, Aquatic plant (lagarosiphon major ) (trace elements) 标准品
Magnoflorine chloride 标准品
(S)-(+)-Methamphetamine hydrochloride
PFBOA n-valeraldoxime (syn), 100μg/ml in n-hexane