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Malononitrile Solution 100ug/ml in Toluene
水中亚硝酸盐-标液
2',3,3',4,5-Pentachlorobiphenyl Solution 100ug/ml in Hexane (无证书)
丙酮中敌百虫溶液标准样品
双甲脒
EUGENOL METHYLETHER(SG) 标准品
氯唑西林钠
毒虫畏 BePure-21087YB
Bacitracin F (>80%)
Chlorate (NaClO3) @ 1000ug/mL in water(有证书)