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醉鱼草皂苷Ⅳb(断血流皂苷 A)
Permethrin 100 ?g/mL in Cyclohexane
亚胺硫磷农药纯度标准物质
Endosulfan (alpha isomer) Solution 100ug/ml in Acetonitrile
乙腈中烯草酮
N-Methylacetamide-2,2,2-d3 标准品
伏马菌素 B2 溶液
雷帕霉素, >99%
Haloalkanes Volatile Organic Compounds Mixture #2 - 502.2/524.2,8021A,8260A 2000ug/ml in Methanol
嘧硫磷 BePure-25362YB