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55004-71-2 2h-1-benzopyran-2-one, 6,7-diethyl-4-hydroxy-3-nitro-, sodium salt

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Product Name 2H-1-Benzopyran-2-one, 6,7-diethyl-4-hydroxy-3-nitro-, sodium salt
CAS No. 55004-71-2
Molecular Formula C13H13NO5・Na