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4,4'-Dihydroxy-biphenyl 标准品
Magnoflorine chloride 标准品
1,5-Dimethylphenanthrene
PCB 2(3-氯联苯) 标准品
(办证)氘代酰嘧磺隆
(办证) Fenitrothion D6 (O,O-dimethyl D6),certified 标准品
琥珀酰磺胺噻唑
五氯苯酚-13C6
(2-Chloroethyl)benzene (无证书)
3'-Azido-3'-deoxythymidine 2,3,4-Tri-O-acetyl-α-D-glucuronide, Methyl Ester