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First Standard® 妥曲珠利-D3
2,2',3,3',4,5,6-Heptachlorobiphenyl (无证书)
甲醇中红霉素溶液 广电计量
Benzo[a]pentacene (in vial for quick-preparation of solution)
乙烯利(乙烯膦) 标准品
tert-Butyloxycarbazate (无证书)
Internal standard mixture, 100μg/ml in hexane 100μg/ml in hexane each of Naphthalene-d8, Acenaphthen
乙腈中19-去甲睾酮(诺龙)(含干冰运输费)
GPC标样-聚丁二烯(Mw 5300)(窄MWD) 标准品
蔬果磷 BePure-22301XA