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异丙草胺 标准品
2-Amino-N-[2-(2-chlorobenzoyl)-4-nitrophenyl]acetamide (Clonazepam Impurity)
Formaldehyde (in water)(有证书)
N-(p-Hydroxyphenethyl)-N-(3-hydroxy-4-methoxy)benzylamine
Thulium - Tm2O3, 99.99%, 2% HNO3
Temephos-d12 (O,O,O′,O′-tetramethyl-d12) 标准品
DIHYDROXYFLAVONE, 3',4'-(RG) 标准品
2,6-Di-sec-butylphenol
奥美拉唑 标准品
Carboxymethoxylamine hemihydrochloride (无证书)