Berkas:2H-Pyran.svgDescription2H-Pyran.svg Deutsch: Struktur von 2H-Pyran. English: Structure of 2H-Pyran. Date 29 December 2008 Source Own work Author Cwbm SVG development
Berkas:3,4-Dihydro-2H-pyran.svgDescription3,4-Dihydro-2H-pyran.svg Chemical structure of 3,4-dihydro-2H-pyran Date 30 September 2007 Source own work (drawn with BKchem) Author Dschanz
Berkas:2H-Pyran ud.svgDescription2H-Pyran ud.svg English: 2H-Pyran Ελληνικά: 2Η-Πυράνιο Date 6 January 2013 (original upload date) Source Own work by the original uploader Author
Berkas:2H-chromen-2-one 200.svg2-oxo- 2H-1-Benzopyran-2-one 2H-1-Benzopyran-2-one (9CI) 2H-Benzo[b]pyran-2-one 2H-benzopyran-2-one 2H-Benzopyran-2-one 2H-Chromen-2-one 5,6-Benzo-2-pyrone