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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:72564 term browser browse the term
Definition:An imidazotetrazine that is 3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine which is substituted at positions 3, 4, and 8 by methyl, oxo, and carboxamide groups, respectively. A prodrug for MTIC (5-(3-methyltriaz-1-en-1-yl)-1H-imidazole-4-carboxamide, formed by spontaneous hydrolysis of temozolomide in the body), it is used as an oral alkylating agent for the treatment of newly diagnosed malignant glioblastoma multiforme (concomitantly with radiotherapy) and malignant melanoma.
Synonyms:related_synonym: 3,4-dihydro-3-methyl-4-oxoimidazo(5,1-d)-1,2,3,5-tetrazine-8-carboxamide;   3,4-dihydro-3-methyl-4-oxoimidazo(5,1-d)-as-tetrazine-8-carboxamide;   3-methyl-4-oxo-3,4-dihydroimidazo(5,1-d)(1,2,3,5)tetrazine-8-carboxamide;   8-carbamoyl-3-methylimidazo(5,1-d)-1,2,3,5-tetrazin-4(3H)-one;   BRN 5547136;   CCRG-81045;   CCRIS 8996;   Formula=C6H6N6O2;   InChI=1S/C6H6N6O2/c1-11-6(14)12-2-8-3(4(7)13)5(12)9-10-11/h2H,1H3,(H2,7,13);   InChIKey=BPEGJWRSRHCHSN-UHFFFAOYSA-N;   M&B 39831;   MB 39831;   NSC 362856;   SMILES=Cn1nnc2c(ncn2c1=O)C(N)=O;   Sch 52365;   TMZ;   Temodal;   Temodar;   methazolastone;   temozolomida;   temozolomidum
 xref: CAS:85622-93-1;   DrugBank:DB00853;   Drug_Central:2589;   HMDB:HMDB0014991;   KEGG:D06067;   LINCS:LSM-4590
 xref_mesh: MESH:C047246
 xref: PMID:22680781;   PMID:22818211;   PMID:23246370;   PMID:23254891;   PMID:23293540;   PMID:23335050;   PMID:23362460;   PMID:23377829;   PMID:23385995;   PMID:23389760;   Patent:DE3231255;   Reaxys:5547136;   Wikipedia:Temozolomide

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      CHEBI ontology 19808
        role 19757
          application 19467
            pro-agent 10095
              prodrug 9899
                temozolomide 3030
    Path 2
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      CHEBI ontology 19808
        subatomic particle 19807
          composite particle 19807
            hadron 19807
              baryon 19807
                nucleon 19807
                  atomic nucleus 19807
                    atom 19807
                      main group element atom 19704
                        p-block element atom 19704
                          carbon group element atom 19626
                            carbon atom 19616
                              organic molecular entity 19616
                                organic group 18725
                                  organic divalent group 18716
                                    organodiyl group 18716
                                      carbonyl group 18664
                                        carbonyl compound 18664
                                          carboxylic acid 18361
                                            carboacyl group 17481
                                              univalent carboacyl group 17481
                                                carbamoyl group 17297
                                                  carboxamide 17297
                                                    monocarboxylic acid amide 15014
                                                      temozolomide 3030
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