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N-Nitrosodiphenyl-2,2′,4,4′,6,6′-d6-amine 标准品
顺式-九氯
苯乙烯 标准品
2-氯苯酚溶液,100ppm
甲醇中丙溴磷溶液标准样品
Cyclohexanone (DNPH Derivative) Solution 100ug/ml in Acetonitrile
3-[(Aminoiminomethyl)thio]-2-chloro-propanoic Acid Hydrochloride
高效氯氟氰菊酯溶液,100ppm
o- Iodohippuric Acid
N-Acetyl-S-(2,2-dichloroethenyl)-L-cysteine-13C,d3