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Heneicosanoic acid-ethyl ester|Ethyl heneicosanoate
2,6-二甲氧基苯酚溶液,100ppm
9.10-Dimethylanthracene {d14) Solution 50ug/ml in Toluene
p-Tolualdehyde Solution 1000ug/ml in Acetonitrile
Base Neutrals Surrogate Mixture #A-CLP 1000ug/ml in Methylene chloride
PUNYW26078127 Udenafil-d7
Sulprofos-sulfoxide
决明子(小决明)
罗红霉素
2-Amino-6-methylnicotinonitrile
18种磺胺类药物混标, 100ppm(农业部公告第1025号-23-2008(18种))