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1,2,4-Butanetriol trinitrate 标准品
(R,S)-N-Acetyl-S-(2-hydroxy-3-methyl-3-buten-1-yl)-L-cysteine + (R,S)-N-Acetyl-S-[1-(hydroxymethyl)-
GPC标样-聚乙烯醇(Mw 200000)(98%水解) 标准品
Heptaldehyde (DNPH Derivative) Solution 1000ug/ml in Methanol:Acetonitrile (80:20)
双氯芬酸 广电计量
培哚普利杂质Ⅰ〔(2S,3aS, 7aS)-八氢-1H-吲哚-2-羧酸〕
微囊藻毒素LR
PUNYW27248137 Bicyclogermacrene
4种硝基呋喃代谢物混标 BePure-31011XM
乙酸-2-戊酯