PMC:7291971 / 47549-47793 JSONTXT

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{"project":"LitCovid-PD-CLO","denotations":[{"id":"T320","span":{"begin":119,"end":120},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T321","span":{"begin":176,"end":177},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"After stirring for 24 h at 30 °C, solvents were removed and the residue was purified by flash column chromatography on a reversed-phase silica gel column C18 (4 g, 40 μm) with a 0–15% linear gradient of acetonitrile in TEAAc buffer 50 mM, pH 7."}

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{"project":"LitCovid-sentences","denotations":[{"id":"T345","span":{"begin":0,"end":244},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"After stirring for 24 h at 30 °C, solvents were removed and the residue was purified by flash column chromatography on a reversed-phase silica gel column C18 (4 g, 40 μm) with a 0–15% linear gradient of acetonitrile in TEAAc buffer 50 mM, pH 7."}