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叔丁基异硫氰酸酯(SG) 标准品
4-Heptanol
Corticosterone-21-acetate,certified 标准品
3-Amino-4-(2-furanyl)-6,7,8,9,10,11-hexahydro-5H-cyclonona[b]thieno[3,2-e]pyridine-2-carboxamide
Silicon Dioxide (SiO2) 99.995%
N-4-Acetylsulfanilamide (无证书)
Chlorinated Hydrocarbon Pesticides - Mix 2 标准品
Formaldehyde Oxazolidine标准品,2000ug/ml溶于甲苯
Phenazine methosulfate (无证书)
2-Amino-5-chloro-4-methylbenzenesulfonic acid