PMC:7094172 / 28373-28462 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T425","span":{"begin":18,"end":27},"obj":"CHEBI:36357;CHEBI:36357"}],"text":"The purity of all compounds is higher than 95% and was used without further purification."}

{"project":"LitCovid-sentences","denotations":[{"id":"T218","span":{"begin":0,"end":89},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The purity of all compounds is higher than 95% and was used without further purification."}