PMC:7594251 / 27291-27413 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T251","span":{"begin":73,"end":79},"obj":"Chemical"}],"attributes":[{"id":"A251","pred":"chebi_id","subj":"T251","obj":"http://purl.obolibrary.org/obo/CHEBI_24636"}],"text":"N [140]. As such, an HSQC spectrum will show clean peaks for each unique proton directly connected to the heteronuclear nu"}