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Piperazine|Hexahydropyrazine
Ethyclozate
2.5-Dimethylbenzyl chloride (无证书)
1-Butane-d9-thiol 标准品
蜂蜜中的培氟沙星 BQC1260124729
Trinexapac-ethyl (Cimetocarb-ethyl),10ng/ul 标准品
氯氧磷溶液,100ppm
EPA Method 535 Metabolite Solutions
2.2'-(p-Phenylenedioxy) diethanol hydroquinone bis
鲑降钙素
定制VOC混标(乙醛、丙烯醛、丙烯腈)