PMC:7291971 / 39021-39027 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T818","span":{"begin":0,"end":6},"obj":"CHEBI:35589;CHEBI:35589"},{"id":"T53177","span":{"begin":0,"end":6},"obj":"CHEBI:35589;CHEBI:35589"}],"text":"-purin"}