PMC:7571312 / 822-961 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T6","span":{"begin":24,"end":30},"obj":"Chemical"}],"attributes":[{"id":"A6","pred":"chebi_id","subj":"T6","obj":"http://purl.obolibrary.org/obo/CHEBI_52214"}],"text":" CoV-1 3CLpro employing ligand-protease structures solved by X-ray crystallography led to the identification of 3 and 4. Preclinical experi"}