<?xml version="1.0" ?><rxnormdata><propConceptGroup><propConcept><propCategory>ATTRIBUTES</propCategory><propName>ACTIVATED</propName><propValue>01/28/2010</propValue></propConcept><propConcept><propCategory>ATTRIBUTES</propCategory><propName>GENERAL_CARDINALITY</propName><propValue>SINGLE</propValue></propConcept><propConcept><propCategory>ATTRIBUTES</propCategory><propName>PRESCRIBABLE</propName><propValue>Y</propValue></propConcept><propConcept><propCategory>ATTRIBUTES</propCategory><propName>RXNAV_HUMAN_DRUG</propName><propValue>US</propValue></propConcept><propConcept><propCategory>ATTRIBUTES</propCategory><propName>TTY</propName><propValue>IN</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>ATC</propName><propValue>A07AA13</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>ATC</propName><propValue>D06AX15</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>ATC</propName><propValue>J04AB03</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>ATC</propName><propValue>S01AA16</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>ATC</propName><propValue>S02AA12</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>DRUGBANK</propName><propValue>DB11753</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>MMSL_CODE</propName><propValue>GNd08756</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>RxCUI</propName><propValue>35616</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>SNOMEDCT</propName><propValue>768973004</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>SNOMEDCT</propName><propValue>783681005</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>USP</propName><propValue>m14568</propValue></propConcept><propConcept><propCategory>CODES</propCategory><propName>VUID</propName><propValue>4038081</propValue></propConcept><propConcept><propCategory>NAMES</propCategory><propName>RXNAV_STR</propName><propValue>rifamycin SV</propValue></propConcept><propConcept><propCategory>NAMES</propCategory><propName>RxNorm Name</propName><propValue>rifamycin SV</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>Anatomical Therapeutic Chemical</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>Drug Bank</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>Gold Standard Alchemy</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>Multum MediSource Lexicon</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>National Drug Data File Plus Source Vocabulary</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>United States Pharmacopeia</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>US Edition of SNOMED_CT</propValue></propConcept><propConcept><propCategory>SOURCES</propCategory><propName>Source</propName><propValue>Veterans Health Administration National Drug File</propValue></propConcept></propConceptGroup></rxnormdata>