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GPC标样-聚乙二醇(Mw 14600)(高Mw,窄MWD) 标准品
27种农药混标 BePure-30245a1XA
AHP MONOGRAPHS SERIES #3 KIT
5(S)-[1(S)-Azido-3(S)-[4-methoxy-3-(3-methoxypropoxy)benzyl]-4-methylpentyl]-3(S)-isopropyldihydrofu
(+)-Arabinogalactan (无证书)
Dimethoate,
Coumaphos,10ng/ul 标准品
2,2’,4,6,6’-五氯联苯(PCB 104) 标准品
Diisopropyl adipate (无证书)
紫杉醇 含量测定