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First Standard® 乙腈/甲醇中氯酯磺草胺溶液,1000ug/ml
n-Butane-2-d1 (gas) 标准品
四溴菊酯溶液, 100ppm
Triethanolamine laurate
丙酮中除虫脲溶液标准物质
2-Dimethylaminoethanethiol hydrochloride (无证书)
PUNYW27017317 Methyl 3-Oxo-4-Androsten-17-Carboxylate
布洛芬-d3 标准品
4.4'-Thiobis(2-tert-butyl-o-methylphenol) (无证书)
2.2'.4.5'-Tetrabromobiphenyl Solution 100ug/ml in Hexane (无证书)