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USP 467 OVI MIX 2, 24TH ED., 1X1ML, DMSO 标准品
2-(Trifluoromethyl)benzyl alcohol (无证书)
6种农残混标
PUNYW24783387 Ethionamide-d5
(R)-(-)-2-Amino-1-butanol (无证书)
Pennsylvania Extractable Polynuclear Aromatic Hydrocarbons (PAH) Standards Mix 2000ug/ml in Methylen
四螨嗪 标准品
HJ 642-2013 3种VOC替代物混标
2,4,5-Tribromobiphenyl
溴氰菊酯