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Glycine benzyl ester 4-tosylate (无证书)
氯氰菊酯(溶剂:乙腈)
Combined Acids & Base Neutrals Matrix Spiking Mixture - CLP VARIED in Methylene chloride
齐帕特罗-D7同位素标准品
三甲氧苄胺嘧啶溶液, 100ppm
水中铝标准溶液(5%硝酸,0.4%盐酸)
1,2,4-三氯苯 标准品
Fluoranthene solution in methanol 100ug/ml in Methanol
ISOCARYOPHYLLENE, (-)-(SG) 标准品
C2-C6 olefins混标--SCOTTY 48 标准品