Submitted by György Chityil ... on Sat, 01/20/2018 - 00:57 Hierarchy: NounDescription: {{organic compound}} The hydrazide of oxamic acid, H<sub>2</sub>NNHC(=O)C(=O)NH<sub>2</sub>.Ngram: semioxamazideNgram Text: semioxamazideSource: WiktionaryIssue: 0Wiktionary tag: organic compoundNgram Count: 1