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PUNYW25919191 7-Methyluric Acid
密度 1.7495g/ml @ 15°C 标准品
3.4-Dichloronitrobenzene Solution 100ug/ml in Acetonitrile
n-Perfluorooctanoic acid, ammonium salt
螺内酯 BePure-25592
First Standard® 草甘磷-13C2,15N
1-Bromononane (无证书)
醋酸醛醇混标 标准品
PUNYW25828419 Ephedrine Impurity 1 (L-Phenylacetyl Carbinol)
2-Isovaleryl-1.3-indanedione Solution 100ug/ml in Toluene