对甲酰基苯甲酸甲酯,Methyl 4-formylbenzoate;99%
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异硫氰酸苯甲酯,Benzyl isothiocyanate;analytical standard, ≥98.5% (GC) -
丙氨酸-谷氨酰胺,L-Alanyl-L-glutamine [Ala-Gln];Pharmaceutical Secondary Standard; Certified Reference Material -
L-乳酸钙五水合物,Calcium L-lactate pentahydrate;meets USP testing specifications -
黄酮酯相关化合物A,Flavoxate Related Compound A;certified reference material, pharmaceutical secondary standard
