PMC:7696151 / 2377-2540 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"69","span":{"begin":89,"end":96},"obj":"Chemical"},{"id":"70","span":{"begin":134,"end":136},"obj":"Chemical"},{"id":"71","span":{"begin":141,"end":144},"obj":"Chemical"}],"attributes":[{"id":"A69","pred":"tao:has_database_id","subj":"69","obj":"MESH:D011803"},{"id":"A70","pred":"tao:has_database_id","subj":"70","obj":"MESH:D002738"},{"id":"A71","pred":"tao:has_database_id","subj":"71","obj":"MESH:D006886"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"herefore, it was necessary to deepen the studies on molecules that could replace natural quinine. The Americans soon synthesized from CQ the HCQ, which resulted in"}