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4-Chloromethyl-2,2-dimethyl-1,3-dioxolane
23246, 7H-Dibenzo[c,g]carbazole (purity) 标准品
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Asenapine-d7 (Major)
23种磺胺混标(GB/T 21316-2007)
Betaine ethyl ester chloride (无证书)
PUNYW26205197 Cyclotetrakis (1,4-butylene Terephthalate)
Prohexadione-Calcium Solution 100ug/ml in Toluene
Escin Ia 标准品
Low Concentration Base/Neutrals - Mix 1 标准品