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2.2'.3.5.5'.6-Hexachlorobiphenyl (无证书)
磺胺醋酰 BePure-25655-250mg
Bromocyclohexane-d11 标准品
ASTM Methods D4815 & D5599 OXYCAL in Gasoline Calibration Mix #8 w/ IS in Oxygenate Free Gasoline
乙氧氟草醚
甲醇中2.4-D溶液标准样品
2-氯乙醇-1.1.2.2-同位素D4 BePure-21145XM
1,2,3,4-Tetrahydronaphthalen-2-amine hydrochloride
Isofenphos-des-N-isopropyl
胡椒(白胡椒)