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乙酸乙酯中倍硫磷砜溶液
甲醇中洛硝哒唑溶液标准物质 农科院质标所
Diflufenican-14C
延胡索酸(富马酸)溶液,100ppm
环氟菌胺溶液,100ppm
Valacyclovir Hydrochloride
23种药物混标 BePure-33368CZ-a
Custom-PAH-Mix 145 1-50 ?g/mL in Acetonitrile
9-Aminoacridine hydrochloride monohydrate,certified 标准品
Fluoride Dentifrice: Sodium Monofluoropho-sphate- Calcium Carbonate