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甲基胺草磷 BePure-20342
苯乙醇胺A纯度标准物质 农科院质标所
Benz(a)anthracene 标准品
Neohexane
N-Acetyl-S-(2-hydroxy-1-phenylethyl)-L-cysteine-13C6 +N-Acetyl-S-(2-hydroxy-2-phenylethyl)-L-cystein
Fensulfothion Oxon,提供COA报告
羟布宗-13C6
Formaldehyde (in water)(有证书)
GERALDOL(P) 标准品
甲醇中氟虫腈