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6-Methyl-2',3,4,6'-tetrachlorodiphenylmethane
BETA-玉米赤霉烯醇 BePure-26546ZA
玉米琼脂对照培养基
Isoquinoline-d7 标准品
N-Methyl-methamidophos Solution 100ug/ml in Toluene
丙酮中恶虫威溶液标准样品
beta-HCH D6 10 ?g/mL in Cyclohexane
DIMETHOXY-2'-HYDROXYCHALCONE, 4',6'-(RG) 标准品
盐酸春雷霉素
鸡肝粉中的呋喃西林代谢物(SEM) BQC1344225521