PMC:7441777 / 18612-18758 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T185","span":{"begin":0,"end":146},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The canonical SMILE molecular structures of the above-mentioned compounds were retrieved from the PubChem database (www.pubchem.ncbi.nlm.nih.gov)."}