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5-Acetamidonaphthalene-1-sulfonyl Chloride
BHC (delta isomer) Solution 100ug/ml in Toluene
First Standard® 氮卓脒青霉素
丁酮威
Cyclohexanone Solution 2000ug/ml in Isooctane
Artemether-d3
丙酮中马拉氧磷溶液标准样品
29种农残混标 BePure-33354XA
氟康唑 标准品
2-Amino-3-methyl-3H-imidazo[4,5-f]quinoxaline-d3