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Set of PFB Derivatized Phenols 标准品
灭除威 BePure-26517LM-10mL
16种农残混标
2-Methyl-3,3',4,4'-tetrachlorodiphenylmethane
Somatropin
LEAD WITH ADDED IMPURITIES (trace elements) 标准品
满山白
Nitrophenyloxamic acid (无证书)
盐酸氯丙那林
正己烷中甲氰菊酯溶液标准样品