PMC:7205724 / 6411-6432 JSONTXT

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{"project":"LitCovid-sample-Enju","denotations":[{"id":"T1055","span":{"begin":7,"end":9},"obj":"IN"},{"id":"T1056","span":{"begin":10,"end":12},"obj":"DT"},{"id":"T1057","span":{"begin":13,"end":21},"obj":"NN"}],"text":"dition of an N-acetyl"}