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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:50842 term browser browse the term
Definition:A pyridazinone that is pyridazin-3(2H)-one which is substituted at positions 2, 4, and 5 by m-(trifluoromethyl)phenyl, chloro, and methylamino groups, respectively. A pre-emergence herbicide used to control grasses and broad-leafed weeds in a variety of crops. Not approved for use within the European Union.
Synonyms:exact_synonym: 4-chloro-5-(methylamino)-2-[3-(trifluoromethyl)phenyl]pyridazin-3(2H)-one
 related_synonym: 4-chloro-5-(methylamino)-2-(alpha,alpha,alpha-trifluoro-m-tolyl)-3(2H)-pyridazinone;   4-chloro-5-(methylamino)-2-[3-(trifluoromethyl)phenyl]-3(2H)-pyridazinone;   Formula=C12H9ClF3N3O;   InChI=1S/C12H9ClF3N3O/c1-17-9-6-18-19(11(20)10(9)13)8-4-2-3-7(5-8)12(14,15)16/h2-6,17H,1H3;   InChIKey=NVGOPFQZYCNLDU-UHFFFAOYSA-N;   SAN 9789;   SMILES=C(C1=CC(=CC=C1)N2C(C(=C(C=N2)NC)Cl)=O)(F)(F)F;   Solicam;   Zorial
 xref: Beilstein:757115;   CAS:27314-13-2;   KEGG:C18874
 xref_mesh: MESH:C008677
 xref: PDBeChem:NRF;   PMID:16659463;   PMID:24936791;   PMID:26735720;   PPDB:486;   Patent:BE712832;   Patent:US3644355;   Pesticides:norflurazon

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norflurazon term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G CYP2C49 cytochrome P450 2C49 multiple interactions EXP CYP2C49 protein results in increased metabolism of and results in decreased susceptibility to norflurazone CTD PMID:16315095 NCBI chr14:106,571,803...106,612,082 JBrowse link

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  CHEBI ontology 858
    role 836
      application 473
        agrochemical 70
          norflurazon 1
Path 2
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  CHEBI ontology 858
    subatomic particle 843
      composite particle 843
        hadron 843
          baryon 843
            nucleon 843
              atomic nucleus 843
                atom 843
                  main group element atom 831
                    main group molecular entity 829
                      s-block molecular entity 717
                        hydrogen molecular entity 703
                          hydrides 337
                            organic hydride 240
                              organic fundamental parent 240
                                hydrocarbon 177
                                  alkane 46
                                    methane 3
                                      halomethane 3
                                        fluoromethanes 2
                                          fluoroform 2
                                            trifluoromethyl group 2
                                              (trifluoromethyl)benzenes 2
                                                norflurazon 1
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