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乙腈中呋喃西林
SulfamoxolVETRANAL®
A0406241 L-(-)-乳酸乙酯
First Standard® 乙腈中溴虫苯甲酰胺溶液,100μg/mL
100ug/mL Chlorite, NaClO2, in water for Ion Chromatography(有证书)
Fuel Oil #5 Solution 50,000ug/ml in Methylene chloride
多果定 标准品
4.4'.4''-Methylidyne tris(N.N-dimethylaniline) (无证书)
FRAXIN(SH) 标准品
甲基毒死蜱