(-)-核黄素 [维生素B2],(−)-Riboflavin;analytical standard
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氟化钾,Potassium fluoride;for analysis EMSURE® ACS, ≥99.0% (precipitation titration) -
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白术内酯II,Atractylenolide II;phyproof® Reference Substance, ≥95% (HPLC) -
香草酸乙酯,Ethyl vanillate;analytical standard, ≥98.5% (HPLC) -
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乙二醇,Ethylene glycol [EG];Pharmaceutical Secondary Standard; Certified Reference Material
