Submitted by György Chityil ... on Sat, 01/20/2018 - 00:48 Hierarchy: NounDescription: {{organic compound}} A bicyclic heterocyclic ketone derived from quinoxaline; any derivative of this compoundNgram: quinoxalinoneNgram Text: quinoxalinoneSource: WiktionaryIssue: 0Wiktionary tag: organic compoundNgram Count: 1