PMC:7291971 / 15580-15691 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T96","span":{"begin":0,"end":111},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"This moderate yield results from double N-alkylations (observed in mass spectrometry) and incomplete reactions."}