2,2',7,7'-四醛基-9,9'-螺二芴,2,2',7,7'-四醛基-9,9'-螺二芴 , 97%
2,2',7,7'-四醛基-9,9'-螺二芴 , 97%
2,2',7,7'-四醛基-9,9'-螺二芴
品牌: 源叶
产品编号: Y23149
分子式: null
分子量: null
纯度: 97%
包装库存价格
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