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羟基甲硝唑
Ammeline
Bentazon methyl derivative Solution 100ug/ml in Isooctane:Acetone (90:10)
Pivaldehyde-PFOA derivative
PUNYW27120124 Benzovindiflupyr-15N2-13C-d3
Benzidines-Solutions
氧丰索磷砜
阿特拉津-去异丙基-D5
毒死蜱(氯吡磷/白蚁清)溶液 标准品
3-Methylphenanthrene (有证书)