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a-Chloro-p-xylene (无证书)
M1扑灭津
苯酰菌胺
芬苯哒唑砜-D3
First Standard® 甲苯中20种农药混标,100μg/ml
Tetramethyl pyromellitate (无证书)
trans-Stilbene-d10 (rings-d10) 标准品
Butralin Solution 100ug/ml in Acetonitrile
Propionaldehyde (DNPH Derivative) Solution 1000ug/ml in Methanol:Acetonitrile (80:20)
苏丹红II 对照品