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872425-29-1 4h-thieno[3,4-c][1]benzopyran-4-one, 3-amino-1-(phenylazo)-

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Product Name 4H-Thieno[3,4-c][1]benzopyran-4-one, 3-amino-1-(phenylazo)-
CAS No. 872425-29-1
Molecular Formula C17H11N3O2S