PMC:7571312 / 60300-60364 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T383","span":{"begin":0,"end":64},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"HRMS (ESI+) calcd for C31H34Cl2N4O7+H1 645.1877, found 645.1871."}

{"project":"LitCovid-PubTator","denotations":[{"id":"1328","span":{"begin":22,"end":35},"obj":"Chemical"},{"id":"1329","span":{"begin":0,"end":4},"obj":"Disease"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"HRMS (ESI+) calcd for C31H34Cl2N4O7+H1 645.1877, found 645.1871."}