Submitted by György Chityil ... on Sat, 01/20/2018 - 01:10 Hierarchy: NounDescription: {{organic compound}} 1,4-benzothiopyrone, a derivative of benzopyran with a substituted keto group on the thiopyran ring.Ngram: thiochromoneNgram Text: thiochromoneSource: WiktionaryIssue: 0Wiktionary tag: organic compoundNgram Count: 1