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Esfenvalerate Solution in T-butylmethyl ether
高效氯氟氰菊酯
2,3,5-三氯苯酚
直接红28/CI#22120 标准品
Bisphenol A Solution in Methanol
3,3-Dimethoxybenzidine Solution in Methanol
甲醇中脱叶磷(DEF)溶液
6种水中苯胺混标 标准品
Tris(2-chloroethyl)phosphate Solution in toluene
Butyl octyl phthalate(工业级,无纯度,无证书)