6-MercaptopurineThioguanineAzathioprineNucleotidesGuanine NucleotidesMethylthioinosinePrecursor Cell Lymphoblastic Leukemia-LymphomaMethyltransferasesAntimetabolitesAntimetabolites, AntineoplasticPurine NucleotidesMethotrexateHypoxanthinesThionucleotidesAdenine NucleotidesInflammatory Bowel DiseasesThionucleosidesImmunosuppressive AgentsAsparaginaseMolecular Sequence DataPurinesInosine MonophosphateThioinosinePolymorphism, Single NucleotidePhosphoribosyl PyrophosphatePharmacologyAminosalicylic AcidsXanthine OxidaseMesalamineCrohn DiseaseAmino Acid SequenceAllopurinolAldehyde OxidaseProdrugsLeukemia L1210InosineIon Exchange ResinsAzauridineAzaguanineCytarabineBase SequencePurine NucleosidesCloning, MolecularHypoxanthine PhosphoribosyltransferaseErythrocytesLeukemia, LymphoidKineticsRemission InductionAdenine