CORD-19:cb16d307afaecebd683e6d74c8b501ed54b0c9a4 / 66209-66452 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T377","span":{"begin":0,"end":243},"obj":"Sentence"},{"id":"T25347","span":{"begin":0,"end":243},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Asymmetric synthesis asymmetric spiro-pyrazolone derivatives have been a hotspot in recent years, while the investigations of bioactivity about these productions and the relationships between their enantioisomerism and activity are still rare."}

{"project":"CORD-19_Custom_license_subset","denotations":[{"id":"T91","span":{"begin":0,"end":243},"obj":"Sentence"}],"text":"Asymmetric synthesis asymmetric spiro-pyrazolone derivatives have been a hotspot in recent years, while the investigations of bioactivity about these productions and the relationships between their enantioisomerism and activity are still rare."}