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DL-α-生育酚琥珀酸酯
Polybrominated Biphenyl Kit
tert-Butyl sulfide (无证书)
3-Methylsulfonyl-2,2',3',4',5,6-hexachlorobiphenyl 标准品
2,3-Dihydro-2,2-dimethyl benzofuran-3,7-diol 100ug/ml in Acetonitrile
正己烷中环氧七氯溶液标准样品
邻苯二甲酸酐(苯酐) 标准品
Flumorph Solution in Acetonitrile
Unalloyed Copper I (solid)
n-Tridecyl-d27 Alcohol 标准品