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52种农残混标 Bepure-33426MB-a
CONIINE, D/L-(RG) 标准品
PUNYW25005316 Diphenhydramine Methiodide
SEM同位素(13C,15N2) BePure-25522
抑芽丹(符合:GB 2763-2016)
ETHYL PARABEN (ETHYL 4-HYDROXYBENZOATE) (RING-13C6, 99%)标准品
1,3,5-Benzene-2,4,6-d3-tricarboxylic Acid 标准品
(17β)-2-(Acetyl-13C2)-17-(benzoyloxy)-4-oxaandrost-5-en-3-one
2-Phenoxybenzoic acid,certified 标准品
联苯吡菌胺 BePure-20718YA