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55815-60-6 4h,8h-[2]benzopyrano[3,4-h]-1-benzopyran-2-carboxylic acid,5-methoxy-8,8-dimethyl-4-oxo-

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Product Name 4H,8H-[2]Benzopyrano[3,4-h]-1-benzopyran-2-carboxylic acid,5-methoxy-8,8-dimethyl-4-oxo-
CAS No. 55815-60-6
Molecular Formula C20H16O6