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4,4′-Dimethoxybenzophenone-d8 (rings-d8) 标准品
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伏杀硫磷丙酮溶液标准物质
First Standard® 胺菊酯
Triclabendazole
CNET glutaralldehyde glutaraldehyde solution, 10μg/ml (as glutaraldehyde) in acetonitorile
滴滴涕(异构体混合物)
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苯草醚-d5
2.2'.5-Tribromobiphenyl Solution 100ug/ml in Hexane (无证书)