PMC:7352545 / 40767-40779 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T1292","span":{"begin":0,"end":12},"obj":"Chemical"},{"id":"T1293","span":{"begin":0,"end":6},"obj":"Chemical"},{"id":"T1294","span":{"begin":7,"end":12},"obj":"Chemical"}],"attributes":[{"id":"A1292","pred":"chebi_id","subj":"T1292","obj":"http://purl.obolibrary.org/obo/CHEBI_32875"},{"id":"A1293","pred":"chebi_id","subj":"T1293","obj":"http://purl.obolibrary.org/obo/CHEBI_29309"},{"id":"A1294","pred":"chebi_id","subj":"T1294","obj":"http://purl.obolibrary.org/obo/CHEBI_24433"}],"text":"methyl group"}