PMC:7696151 / 4273-4376 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T34","span":{"begin":0,"end":103},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Instead, the therapeutic ratio is decreased by substitution of the alkyl side chain with an aryl chain."}