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CIS-11-VACCENIC METHYL ESTER, 10MG 标准品
蒿乙醚
Hydrogen Sulfide in Nitrogen (Nominal 20 μmol/mol)
Barbed Skullcap (Scutellaria barbata) Herb RGBRM 标准品
1.3-Cyclooctadiene
甲磺酸培氟沙星
Romer标准物质BiopureTM U-[13C2215N2]-Oxytetracycline 2.5 µg/mL Dried Down
2,3,3',4'-Tetrachlorobiphenyl 99% (BZ# 56) 标准品
正己烷中定制混标39溶液
奥比沙星(标准品)[113617-63-3]