琼脂粉,Agar;suitable for microbiology
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红霉素,Erythromycin;Pharmaceutical Secondary Standard; Certified Reference Material -
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硒,Selenium;pellets, <5 mm particle size, ≥99.999% trace metals basis -
地舍平,Deserpidine;≥99% (HPLC) -
邻甲酚,o-Cresol;≥99%
