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五氟磺草胺
Carbophenothion methyl oxygen analog 标准品
Pheniramine, 1.0 mg/mL 标准品
2,6-Dimethylnaphthalene-d12
Benzyltrimethylammonium hydroxide (40% in methanol
N-Acetyl-β-alanine
Cottonseed oil fatty acids (无证书)
邻苯二胺溶液,1000ppm
2-Mercaptoethanol-1,1,2,2-d4 标准品
杀菌剂混标(10组分)(GCMS定制4,中国药典农残检测)