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对甲苯甲醛 2,4-二硝基苯腙,98.0%(T)
2-Ethylbutyric acid, 99% 1KG
半定量标准,4种元素混标,10ug/mL,溶于2-5%硝酸
2,6-Dichlorophenethylamine, 99% 1GR
2,2-Dimethyl-5-phenyl-1,3-dioxane-4,6-dione, 98% 25GR
2,3-二甲基-4-硝基苯甲醚, ≥98.0%
(E)-4-(4-Chlorophenyl)cyclohexanecarboxylic acid, 97%
3-羟基-2-甲基苯甲酸, ≥98.0%
L-精氨酸,99%
Benzamide, 99% 25GR