Alkylating AgentsAntineoplastic Agents, AlkylatingAlkylationO(6)-Methylguanine-DNA MethyltransferaseMethylnitronitrosoguanidineMethyl MethanesulfonateMechlorethamineCarmustineChlorambucilEthyl MethanesulfonateNitrogen Mustard CompoundsDacarbazineMelphalanDNA RepairCyclophosphamideDNA DamageGuanineToxicity TestsMethylnitrosoureaSulfuric Acid EstersAntineoplastic AgentsMutagensNitrosourea CompoundsEthylnitrosoureaThiotepaMethyltransferasesDose-Response Relationship, DrugDrug ResistanceCell SurvivalPhosphoramide MustardsTriaziquoneMustard GasAntineoplastic Combined Chemotherapy ProtocolsMitomycinsAziridinesMitomycinEtanidazoleCisplatinDNA Modification MethylasesDNA GlycosylasesDNAToxicity Tests, AcutePropiolactoneDrug SynergismDNA Repair EnzymesEthylmaleimideLomustineNylonsDrug Resistance, NeoplasmNeoplasms, Second PrimaryNimustineDNA AdductsCricetinaeMethionine SulfoximineDrug Administration SchedulePorfiromycinBrain NeoplasmsSarcoma, YoshidaGliomaDicumarolButhionine SulfoximineCombined Modality TherapyDoxorubicinMutationMesylatesNeoplasmsLeukemia L1210Quinacrine MustardCell LineGlutathioneRadiotherapyTumor Cells, CulturedDrug Screening Assays, AntitumorN-Glycosyl Hydrolases4-Nitroquinoline-1-oxideCarcinogensLeukemia, Radiation-InducedLeukemia L5178CyclohexenesGlioblastomaPoly(ADP-ribose) PolymerasesTreatment OutcomeIodoacetamideHydrocarbons, BrominatedKineticsBusulfanIfosfamideVincristineTime FactorsEscherichia coliMutagenicity TestsLeukopeniaCricetulusCross-Linking ReagentsDNA, NeoplasmPoly Adenosine Diphosphate RiboseNitroimidazolesSulfhydryl CompoundsHydrazinesDNA-(Apurinic or Apyrimidinic Site) Lyase