bn:03688408n
Noun Concept
Categories: Chemical articles with multiple PubChem CIDs, Pyrans, Chemical compound stubs
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pyran  2H-pyran  4H-pyran  oxine  pyrans
EN
In chemistry, pyran, or oxine, is a six-membered heterocyclic, non-aromatic ring, consisting of five carbon atoms and one oxygen atom and containing two double bonds. Wikipedia
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EN
In chemistry, pyran, or oxine, is a six-membered heterocyclic, non-aromatic ring, consisting of five carbon atoms and one oxygen atom and containing two double bonds. Wikipedia
Chemical compound Wikidata
Any of a class of heterocyclic compounds containing a ring of five carbon atoms and an oxygen atom; especially the simplest one, C5H6O. Wiktionary
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