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喹乙醇-D4 BePure-24582
1-Chlorooctane-d17 标准品
新红标准品
5α(H),17α(H),20R,24S-3?-Acetoxy-24-methylcholest-8(14)-ene
丙酮/二氯甲烷(1:1)中FenamiphosSolution
氨苄青霉素
甲苯:正己烷(1:1)中20种有机氯混标(适用:EPA508/525/625/8081/8270)
Volatiles Mixture #2 - Skinner List 2000ug/ml in Methanol:Water(90:10)
辛基酚 标准品
2-Methyltetradecane