PMC:7461420 / 99672-99695 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T99257","span":{"begin":0,"end":23},"obj":"Chemical"},{"id":"T41352","span":{"begin":16,"end":23},"obj":"Chemical"}],"attributes":[{"id":"A32075","pred":"chebi_id","subj":"T99257","obj":"http://purl.obolibrary.org/obo/CHEBI_60606"},{"id":"A52374","pred":"chebi_id","subj":"T41352","obj":"http://purl.obolibrary.org/obo/CHEBI_48705"}],"text":"opioid receptor agonist"}