<?xml version="1.0" ?><rxnormdata><propConceptGroup><propConcept><propCategory>ATTRIBUTES</propCategory><propName>GENERAL_CARDINALITY</propName><propValue>SINGLE</propValue></propConcept><propConcept><propCategory>ATTRIBUTES</propCategory><propName>TTY</propName><propValue>PIN</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>RxCUI</propName><propValue>237163</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>SPL_SET_ID</propName><propValue>0186162c-da24-43da-8a37-4d57561955b2</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>UNII_CODE</propName><propValue>NRD80R06FB</propValue></propConcept><propConcept><propCategory>NAMES</propCategory><propName>RXNAV_STR</propName><propValue>acetylcysteine sodium</propValue></propConcept><propConcept><propCategory>NAMES</propCategory><propName>RxNorm Name</propName><propValue>acetylcysteine sodium</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>Gold Standard Alchemy</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>Metathesaurus FDA Structured Product Labels</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>National Drug Data File Plus Source Vocabulary</propValue></propConcept></propConceptGroup></rxnormdata>