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2-甲基蒽
TETRAHYDROBERBERINE(CANADINE)(P) 标准品
Mercury - Hg metal, 99.998%, 2% HNO3(有证书)
苯胺灵
Fuel Oil #5 Solution 50,000ug/ml in Methylene chloride
氟虫脲溶液, 100ppm
磺胺甲噻二唑溶液, 100ppm
印楝素A溶液, 100ppm
Lead acetate monobasic (无证书)
邻硝基苯酚