61237-40-9 5H,11H-[2]Benzopyrano[4,3-g][1]benzopyran-9-carboxylic acid,5,5-dimethyl-7-nitro-11-oxo-

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Basic

CAS No. 61237-40-9
Product Name 5H,11H-[2]Benzopyrano[4,3-g][1]benzopyran-9-carboxylic acid,5,5-dimethyl-7-nitro-11-oxo-
Molecular Formula C19H13NO7

Physical property