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磺胺氯吡嗪-同位素
N-[[7-(Aminosulfonyl)-6-chloro-2,3-dihydro-1,1-dioxo-4H-1,2,4-benzothiadiazin-4-yl]methyl]-6-chloro-
抑芽唑
乙丁烯氟灵
Zineb
4,5,6-Trichloroguaiacol
Ascaridole 标准品
Hafnium - 4% HNO3 + 2% HF(有证书)
NSI 饮用水QC样-PCBs
A0406282 柴胡皂苷D CAS号135410-20-7