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4.4'-Difluorobiphenyl Solution 1000ug/ml in Acetonitrile
Uniconazole Solution in Acetonitrile
镍单元素溶液标准物质
DL-Isoleucine (无证书)
二苯甲酮溶液,100ppm
Endosulfan I, II, and Sulfate Solution 标准品
1a-Phenyl-4a-(1'-phenylethyl)tetralin
Ginkgolide B 标准品
总酸值标准:0.1mg /gKOH
1,3-Dichloro-2-propanediol