Chromane (benzodihydropyran) is a heterocyclic chemical compound with the chemical formula C9H10O.

[2] Chromane is a structural feature of more complex compounds including E vitamins (tocopherols and tocotrienols), Dianin's compound, and the pharmaceutical drugs troglitazone, ormeloxifene, and nebivolol.

Such compounds are sometimes described as chromans.

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