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3,4-二氯苯酚 标准品
Boron Oxide (B2O3) 99.999%(有证书)
Paraoxon 标准品
Benzo[a]fluoranthene
新颖绿色杀虫剂
N-Nitrosodiphenylamine (2,2',4,4',6,6'-d6) Solution 1000ug/ml in Methylene chloride
PUNYW24680305 1-Naphthol-D-Glucuronide-d7
诺龙(19-去甲睾酮)溶液, 1000ppm
2,3,5,6-四氯苯酚
Toxaphene (TM) Solution 2500ug/ml in Acetone