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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:41774 term browser browse the term
Definition:A stilbenoid that has formula 371.51460.
Synonyms:exact_synonym: 2-{4-[(1Z)-1,2-diphenylbut-1-en-1-yl]phenoxy}-N,N-dimethylethanamine
 related_synonym: (Z)-2-(4-(1,2-Diphenyl-1-butenyl)phenoxy)-N,N-dimethylethanamine;   (Z)-2-(para-(1,2-Diphenyl-1-butenyl)phenoxy)-N,N-dimethylamine;   1-p-beta-Dimethylaminoethoxyphenyl-trans-1,2-diphenylbut-1-ene;   1-para-beta-Dimethylaminoethoxyphenyl-trans-1,2-diphenylbut-1-ene;   Apo-Tamox;   Crisafeno;   Diemon;   Formula=C26H29NO;   InChI=1S/C26H29NO/c1-4-25(21-11-7-5-8-12-21)26(22-13-9-6-10-14-22)23-15-17-24(18-16-23)28-20-19-27(2)3/h5-18H,4,19-20H2,1-3H3/b26-25-;   InChIKey=NKANXQFJJICGDU-QPLCGJKRSA-N;   SMILES=CC\\C(c1ccccc1)=C(/c1ccccc1)c1ccc(OCCN(C)C)cc1;   tamoxifene;   tamoxifeno;   tamoxifenum;   trans-Tamoxifen
 alt_id: CHEBI:41767;   CHEBI:9396
 xref: Beilstein:2062020;   CAS:10540-29-1;   DrugBank:DB00675;   Drug_Central:2561;   HMDB:HMDB0014813;   KEGG:C07108;   KEGG:D08559
 xref_mesh: MESH:D013629
 xref: PMID:14681337;   PMID:14709804;   PMID:18348622;   PMID:7688593;   Patent:BE637389;   Patent:BE678807;   Patent:US4536516;   Wikipedia:Tamoxifen

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      CHEBI ontology 19808
        role 19757
          application 19467
            pharmaceutical 19315
              drug 19315
                antineoplastic agent 17315
                  tamoxifen 3244
                    afimoxifene 595
                    tamoxifen N-oxide 0
                    tamoxifen citrate 0
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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
                        main group molecular entity 19704
                          s-block molecular entity 19489
                            hydrogen molecular entity 19484
                              hydrides 18841
                                inorganic hydride 17688
                                  pnictogen hydride 17669
                                    nitrogen hydride 17542
                                      azane 17278
                                        ammonia 17277
                                          organic amino compound 17277
                                            tertiary amino compound 8677
                                              tamoxifen 3244
                                                afimoxifene 595
                                                tamoxifen N-oxide 0
                                                tamoxifen citrate 0
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