PMC:7376974 / 68790-68890 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T20264","span":{"begin":65,"end":76},"obj":"Chemical"},{"id":"T83829","span":{"begin":80,"end":89},"obj":"Chemical"}],"attributes":[{"id":"A70157","pred":"chebi_id","subj":"T20264","obj":"http://purl.obolibrary.org/obo/CHEBI_33232"},{"id":"A90693","pred":"chebi_id","subj":"T83829","obj":"http://purl.obolibrary.org/obo/CHEBI_22587"}],"text":"However, several questions need to be answered before their safe application as antiviral materials."}

{"project":"LitCovid-sentences","denotations":[{"id":"T433","span":{"begin":0,"end":100},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, several questions need to be answered before their safe application as antiviral materials."}