PMC:7696151 / 1345-1422 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"49","span":{"begin":23,"end":26},"obj":"Chemical"}],"attributes":[{"id":"A49","pred":"tao:has_database_id","subj":"49","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":"onehydroxychloroquine (HCQ) was synthesized for the first time in 1946, but i"}