| 分子式 | 2(C21H39N7O12).3(H2SO4) |
甲醇中杀虫脒溶液标准物质
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44'滴滴伊溶液
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氟氯苯菊酯溶液
编号:1ST20238-100H CAS号:69770-45-2 规格:1mL 浓度:100μg/mL