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2,2',4'-三氯苯乙酮
Disulfiram
Dibenz[a,c]pentacene (in vial for quick-preparation of solution)
羊毛脂 标准品
丙酮中17种农药混标
n-Pentyl-iso-pentyl phthalate-3,4,5,6-d4 (n-Pentyl-3-methylbutyl phthalate-3,4,5,6-d4)
噻虫嗪 BePure-25977
甲醇中甲氧苄啶溶液标准物质 农科院质标所
敌草隆纯度标准物质
伏格列波糖溶液,100ppm