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1,4-Dichlorobutane-d8
s-Dimethyl-p-phenylenediamine dioxalate
1,2-Dimethyldibenzothiophene
4-Amino-5-aminomethyl-2-methylpyrimidine Dihydrochloride
First Standard® 乙腈中增效胺溶液,1000μg/mL
Acyclovir Monophosphate
GPC标样-聚异丁烯(Mw 126300)(高Mw) 标准品
8种常见有机氯农药混标
Carbadox
雌三醇