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2-Butene-d8 (gas) (cis/trans mixture) 标准品
Anhydro Pridinol Hydrochloride
硝基呋喃代谢产物SEM
Propane in Air (Nominal 3 μmol/mol)
氟丙菊酯 标准品
rac trans-3-Amino-1-oxyl-2,2,5,5-tetramethylpyrrolidine-4-carboxylic Acid
3,3',4,5,5'-Pentachlorobiphenyl (无证书)
CONIINE, D/L-(RG) 标准品
ICP Multielement Standards - WasteWater Calibration Standards (in 2% HNO3)(有证书)
龙胆苦苷 对照品