6-MercaptopurineThioguanineAzathioprineMethylthioinosinePrecursor Cell Lymphoblastic Leukemia-LymphomaMethyltransferasesAntimetabolitesAntimetabolites, AntineoplasticMethotrexateHypoxanthinesInflammatory Bowel DiseasesThionucleotidesThionucleosidesImmunosuppressive AgentsEnergy MetabolismLipid MetabolismGuanine NucleotidesAsparaginaseThioinosinePurinesInosine MonophosphatePharmacologyPhosphoribosyl PyrophosphateAminosalicylic AcidsXanthine OxidasePurine NucleotidesMesalamineProdrugsAldehyde OxidaseCrohn DiseaseAllopurinolBiotransformationIon Exchange ResinsLeukemia L1210AzaguanineAzauridineCytarabineInosineErythrocytesChromatography, High Pressure LiquidLeukemia, LymphoidLiverHypoxanthine PhosphoribosyltransferasePurine NucleosidesRemission InductionMetabolism