{"id":"https://openalex.org/keywords/penems","display_name":"penems","description":"Penems are a class of beta-lactam antibiotics characterized by a fused ring structure and used to inhibit bacterial cell-wall synthesis.","display_name_alternatives":["penem","penem antibiotic"],"ids":{"openalex":"https://openalex.org/keywords/penems","wikidata":"https://www.wikidata.org/wiki/Q7162597"},"primary_topic":{"id":"https://openalex.org/T13489","display_name":"Synthesis of \u03b2-Lactam Compounds","score":0.6033,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13489","display_name":"Synthesis of \u03b2-Lactam Compounds","score":0.6033,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10147","display_name":"Antibiotic Resistance in Bacteria","score":0.157,"subfield":{"id":"https://openalex.org/subfields/1313","display_name":"Molecular Medicine"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"works_count":356,"cited_by_count":6885,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/penems","updated_date":"2026-10-16T04:06:51","created_date":"2026-09-30T00:00:00"}