PMC:7781431 / 8767-8924 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T71","span":{"begin":0,"end":157},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"To date, six RvDs with different positions of cis-trans isomers, as well as the number, position and chirality of the hydroxyl residues have been discovered."}