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4-叔丁基邻二甲苯
4-tert-Butyl-o-xylene may be used as a starting material in the synthesis of 1,2-bis(bromomethyl )-4
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First Standard® 甲苯中联苯肼酯溶液,100ug/ml
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4-乙基吡啶
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活性炭管中苯、甲苯、邻二甲苯质控样 BQC2610147521
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甲基毒死蜱标准溶液,5598-13-0,100ug/ml in acetone,u=6~4%
-
3-溴邻二甲苯,576-23-8,98%
-
钼标准溶液,7439-98-7,100ug/ml in 1%HCl
-
敌百虫标准溶液,52-68-6,analytical standard,100ug/ml in acetone
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4-乙基苯甲酸,619-64-7,≥98.0%
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First Standard® 乙腈中丁咪酰胺溶液,100ug/ml
Isocarbamid Solution in Acetonitrile, 100ug/mlFirst Standard®天津
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