PubMed:13271397 JSONTXT

{"project":"sentences","denotations":[{"id":"T1","span":{"begin":0,"end":52},"obj":"Sentence"},{"id":"T1","span":{"begin":0,"end":52},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"L-Histidinal, a biosynthetic precursor of histidine."}