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89055-71-0 2h,4h-pyrano[3,4-c][1]benzopyran-1-carbonitrile,1,4a,5,10b-tetrahydro-8-hydroxy-2,4,5-tri

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Product Name 2H,4H-Pyrano[3,4-c][1]benzopyran-1-carbonitrile,1,4a,5,10b-tetrahydro-8-hydroxy-2,4,5-trioxo-
CAS No. 89055-71-0
Molecular Formula C13H7NO6