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1,1,1-Trichloro-2-(2-chlorophenyl-d4)-2-(4-chlorophenyl-d4)ethane
A0405047 马钱苷 CAS号224789-15-5
Sulfaquanidine (无纯度,无报告)
Chlordiazepoxide Related Compound A
5-Aza Cytosine
4-氨基安替比林-d3
PL2005农药LC/MS混标4 标准品
Mercury - Hg metal, 99.998%, 2% HNO3(有证书)
17种有机磷农药混标 BePure-33067MB
Bifenthrin acid metabolite