Dutch 2-pyron Cited by user T.vanschaik on 22 Mar 2022 2-Pyron (α-pyron of pyraan-2-on) is een onverzadigde organische verbinding met de formule C5H4O2.
English 2-Pyrone Cited by user Edgar181 on 03 May 2017 2-Pyrone (α-pyrone or pyran-2-one) is an unsaturated cyclic chemical compound with the molecular formula C5H4O2.