Submitted by György Chityil ... on Sat, 01/20/2018 - 01:06 Hierarchy: NounDescription: {{organic chemistry}} Any of a class of 1,2,3-oxadiazoles having an oxygen atom attached to the 5 position; they are mesoionicNgram: sydnoneNgram Text: sydnoneSource: WiktionaryIssue: 0Wiktionary tag: organic chemistryNgram Count: 1
