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2,2',3,4',5,5',6-Heptachlorobiphenyl Solution 100ug/ml in Hexane (无证书)
溴氯二氟甲烷
4-Chlorophenol-2,3,5,6-d4 标准品
POLYDATIN(PICEID)(P) 标准品
Cyclohexyl methacrylate (无证书)
沙美特罗 广电计量
Dehydrated Alcohol
Nitric Oxide in Nitrogen (Nominal 3000 μmol/mol)
反式-玉米素 99%+,顺式异构体 < 0.05%
甲苯中特丁硫磷砜