CORD-19:cb16d307afaecebd683e6d74c8b501ed54b0c9a4 / 14769-14907
Annnotations
CORD-19-Sentences
{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T80","span":{"begin":0,"end":138},"obj":"Sentence"},{"id":"T60372","span":{"begin":0,"end":138},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Recently, many research groups made unremitting efforts to the synthesis and characterization of transition metal chelates of pyrazolones."}
CORD-19_Custom_license_subset
{"project":"CORD-19_Custom_license_subset","denotations":[{"id":"T80","span":{"begin":0,"end":138},"obj":"Sentence"}],"text":"Recently, many research groups made unremitting efforts to the synthesis and characterization of transition metal chelates of pyrazolones."}