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抗蚜威 BePure-25101YB
Iodine-129 Isotopic Standard (High Level)
GPC标样-聚苯乙烯磺酸钠(Mw 15450)(阴离子,窄MWD) 标准品
(E)-1-Acetyl-N-(acetyloxy)-α-(5-fluoro-2-hydroxyphenyl)-4-piperidinemethanimine
四氟醚唑 BePure-25897YA
EPA VOC混标7(12组分) 标准品
First Standard® 氟氯苯菊酯
Chlorhexidine Related Compounds
Purgeables Mixture A 200ug/ml in Methanol
4-Hydroxy-3-methoxybenzylamine hydrochloride (无证书)