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Sulfallate (BSI,ISO)|CDEC (WSSA)
GPC标样-聚异丁烯(Mw 102300)(高Mw) 标准品
7种菊酯类农药混标(NY/T761-2008)
2,3-Dihydrophalazine-1.4-dione (无证书)
b-Chloralose Solution 100ug/ml in Toluene
ALDITOL ACETATE MIX-1, 1X1ML, CHCL3 50MG /ML 标准品
First Standard® 异噁草酮
Mono(2-ethylhexyl) phthalate
4,4-1,1-二氯-2,2-双(4-氯苯基)乙烷/P,P'-滴滴滴
4-Amino-5-ethoxymethyl-2-methylpyrimidine
灭草灵