Vidarabine PhosphateThioguanineAntimetabolitesPurinesAntimetabolites, Antineoplastic6-MercaptopurineTetrahydrouridineTrabeculectomyFloxuridineCytarabinePurine NucleotidesFluorouracilMethotrexateSurgical SpongesMitomycinInosine MonophosphateLeukemia L1210Phosphoribosyl PyrophosphateHypoxanthine PhosphoribosyltransferasePurine NucleosidesAzathioprineDeoxycytidineAzaguanineMethylthioinosine6-AminonicotinamideAntineoplastic AgentsGuaninePantothenic AcidFolic Acid AntagonistsCell SurvivalDrug SynergismNorleucineTumor Cells, CulturedHypoxanthinesCell DivisionThionucleosidesNeoplasmsCell LineHypoxanthineDaunorubicinDrug Screening Assays, AntitumorPurine-Nucleoside PhosphorylasePhosphonoacetic AcidThymidylate Synthase