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135878-81-8 4h-1-benzopyran-4-one, 8-bromo-7-butoxy-2-(4-methylphenyl)-6-nitro-

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Product Name 4H-1-Benzopyran-4-one, 8-bromo-7-butoxy-2-(4-methylphenyl)-6-nitro-
CAS No. 135878-81-8
Molecular Formula C20H18BrNO5