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139589-44-9 4h-1-benzopyran-4-one,3,8-dibromo-7-butoxy-2-(2-methoxyphenyl)-6-nitro-

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Product Name 4H-1-Benzopyran-4-one,3,8-dibromo-7-butoxy-2-(2-methoxyphenyl)-6-nitro-
CAS No. 139589-44-9
Molecular Formula C20H17Br2NO6