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N.N-Bis(2-hydroxyethyl)-p-toulene sulfonamide
2-Chloro-5-nitrobenzonitrile (无证书)
(3S)-Aminoquinuclidine Dihydrochloride
甲醇中硝基呋喃类代谢物同位素标记混合标准溶液 农科院质标所
1-(3,5-Anhydro-2-deoxy-β-D-threo-pentofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione, Methyl-d3
己酸甲酯
麻保沙星-D8同位素标准品
呋噻米 标准品
Chlorination Disinfection Byproducts Mixture-551 100ug/ml in tert-Butyl methyl ether
苄嘧磺隆农药纯度标准物质