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3,4-二氯苄氯 标准品
Titanium tetrafluoride-anhydrous
Base/Neutrals Calibration Mixture 2000ug/ml in Methylene chloride
氯唑青霉素钠水合物(氯唑西林钠,邻氯青霉素钠) 标准品
2.2'.5.5'-Tetrabromobiphenyl Solution 100ug/ml in Hexane (无证书)
2,2',3,4,4'-Pentachlorobiphenyl 99% (BZ# 85) 标准品
甲醇中磺胺二甲恶唑
3-氯-1,2-丙二醇溶液, 100ppm
PUNYW26751571 Fluvalinate-d5
3,3‘4,4‘-四溴联苯醚,13C12 标准品