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658701-13-4 propanedinitrile,[2-(4-methoxyphenyl)-9-oxocyclohepta[b]pyran-4(9h)-ylidene]-

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Product Name Propanedinitrile,[2-(4-methoxyphenyl)-9-oxocyclohepta[b]pyran-4(9H)-ylidene]-
CAS No. 658701-13-4
Molecular Formula C20H12N2O3