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Thidiazuron Solution 100ug/ml in Toluene
4-(N-Methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone-d4
Lactulose-13C12
Tetramethylthiuram disulfide Solution 100ug/ml in Toluene
PCB NO.138(介质:异辛烷)
2,4-二氨基甲苯 标准品
甲硫威
硫线磷 标准品
Bitertanol Solution in Acetonitrile
beta-Cypermethrin Solution 100ug/ml in Acetonitrile