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2-Amino-3,4-dimethyl-3H-imidazo[4,5-f]quinoline
Tokuthion 标准品
3-Chloropropionitrile 标准品
2.2'.4.4'.6-Pentachlorobiphenyl (无证书)
吲哚乙酸-d4
24种磺胺类兽药混标(安捷伦276种多兽残解决方案2.0)
Tri-p-tolylamine-d21 标准品
Thiazopyr
2,4'-DICHLOROBIPHENYL (IUPAC N.8) (purity) 标准品
Continuing Check Verification Standard III