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2,6-Di-tert-butyl-4-[3-(2,6-di-tert-butyl-4H-pyran-4-ylidene)-1-propenyl]pyrylium Structure

2,6-Di-tert-butyl-4-[3-(2,6-di-tert-butyl-4H-pyran-4-ylidene)-1-propenyl]pyrylium