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2.4.5-Trichlorophenol ethanolamine salt Solution 100ug/ml in H2O
90679, Latex spheres (particle diameter 2 microns) 标准品
47种农药混标 Bepure-33036LA-b
正己烷,分析标准品,>99.5%(GC)
吡唑特 BePure-25321YA
2.5-Dibromobenzoic acid (无证书)
PUNYW26269353 4-Hydroxy Carbazole
1,3-Dimethoxybenzene-d10 标准品
Ioxynil
2,2'-Dimethylbiphenyl