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甲醇中8种硝基苯类混标
Oxpoconazole metabolite Ⅰ (Formyl type)
p-Diphenylaminesulfonic acid sodium salt (无证书)
Rosin oil - high viscosity
恶唑酮菌(Famoxadone),100ng/ul溶于乙腈; 标准品
ALOE EMODIN(P) 标准品
Nickel aluminum alloy (无证书)
2,2',3,4,4',5',6-Heptachlorobiphenyl 标准品
49176, Ground water (trace elements, low level) 标准品
2-Amino-5-chloro-3,4-dimethyl-3H-imidazo[4,5-f]quinoline