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3,4,5-Trichlorobiphenyl 标准品
3-叔丁基-4-羟基苯甲醚(茴香醚) 标准品
First Standard® 除草定
Glutaric acid based monomeric diester
ESCULETIN(P) 标准品
4,4′-Dimethyl-d6-biphenyl 标准品
Phenazepam
氟酮磺草胺 BePure-26135YA
Sulfur - 10,000.0ug/g in Mineral Oil
57种农药混标 Bepure-33036L2C-k