β-六六六标准品
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beta-HCH (BSI,ISO)|beta-BHC (JMAF,ISO)|Benzene hexachloride (BAN,ESA,USA)|Hexachlorocyclohexane
beta-HCH (BSI,ISO)|beta-BHC (JMAF,ISO)|Benzene hexachloride (BAN,ESA,USA)|Hexachlorocyclohexane
