PMC:1255741 / 20135-20136 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T4780","span":{"begin":0,"end":1},"obj":"NN"}],"text":"R"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T5094","span":{"begin":0,"end":1},"obj":"CHEBI_SO_EXT:arginine"}],"text":"R"}