CORD-19:cb16d307afaecebd683e6d74c8b501ed54b0c9a4 / 58111-58304 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T336","span":{"begin":0,"end":193},"obj":"Sentence"},{"id":"T43261","span":{"begin":0,"end":193},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In addition, the chemical \"trapping\" of four of the seven possible tautomeric forms of the heterocycle by mono-and dialkylation at the acidic hydrogens gave several additional potent analogues."}

{"project":"CORD-19_Custom_license_subset","denotations":[{"id":"T50","span":{"begin":0,"end":193},"obj":"Sentence"}],"text":"In addition, the chemical \"trapping\" of four of the seven possible tautomeric forms of the heterocycle by mono-and dialkylation at the acidic hydrogens gave several additional potent analogues."}