PMC:7571312 / 99984-100070
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T562","span":{"begin":0,"end":86},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The product was contaminated with ∼20% of another diastereomer from the previous step."}