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2,6-Di-(tert-butyl-d9)-4-methoxyphenol-3,5-d2 标准品
Propachlor ESA sodium salt Solution 100ug/ml in Methanol
PUNYW26722495 Parathion Methyl-d6
Propylene thiourea
麦草畏
Chenodeoxycholic Acid 24-Acyl-β-D-glucuronide
First Standard® 丙酮中41种农药混标溶液(GCMS&LCMS),100μg/mL
原阿片碱 对照品
Hydroxyhydroquinone (无证书)
玉嘧磺隆 标准品