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2-(2H-Benzo[d][1,2,3]triazol-2-yl)-4,6-di-tert-pentylphenol

4种亚硝胺混标 Nitrosamines-Mix 4 2000ug/ml in Dichloromethane

Tamoxifen Citrate EP Imp. C as E-Isomer

Trimethoprim EP Imp. C

A16178690MB-100

Phthalic acid, mono-benzyl ester 100 µg/mL in Methyl-tert-butyl ether

镉 20ml 水质标样(浓度见批号)

2,4'-DDT 100 µg/mL in Cyclohexane

GNM-SNO3N-001b-2013

A14073000HE-1000

γ-HCH 1000 µg/mL in HEXANE

homobrassinolide

Acetonchloroform hemihydrate

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