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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:75246 term browser browse the term
Definition:A semisynthetic member of the class of rifamycins and non-systemic gastrointestinal site-specific broad spectrum antibiotic. Used in the treatment of traveller's diarrhoea, hepatic encephalopathy and irritable bowel syndrome.
Synonyms:exact_synonym: (2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,6,21,23-tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-1,15-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)furo[2'',3'':7',8']naphtho[1',2':4,5]imidazo[1,2-a]pyridin-25-yl acetate
 related_synonym: Formula=C43H51N3O11;   InChI=1S/C43H51N3O11/c1-19-14-16-46-28(18-19)44-32-29-30-37(50)25(7)40-31(29)41(52)43(9,57-40)55-17-15-27(54-10)22(4)39(56-26(8)47)24(6)36(49)23(5)35(48)20(2)12-11-13-21(3)42(53)45-33(34(32)46)38(30)51/h11-18,20,22-24,27,35-36,39,48-51H,1-10H3,(H,45,53)/b12-11+,17-15+,21-13-/t20-,22+,23+,24+,27-,35-,36+,39+,43-/m0/s1;   InChIKey=NZCRJKRKKOLAOJ-XRCRFVBUSA-N;   Rifamycin L 105;   Rifamycin L 105SV;   Rifaxidin;   SMILES=CO[C@H]1\\C=C\\O[C@@]2(C)Oc3c(C)c(O)c4c(O)c(NC(=O)\\C(C)=C/C=C/[C@H](C)[C@H](O)[C@@H](C)[C@@H](O)[C@@H](C)[C@H](OC(C)=O)[C@@H]1C)c1c(nc5cc(C)ccn15)c4c3C2=O;   Xifaxsan;   rifaximina;   rifaximine;   rifaximinun
 xref: CAS:80621-81-4;   DrugBank:DB01220;   Drug_Central:2379;   HMDB:HMDB0015351;   KEGG:D02554
 xref_mesh: MESH:C042734
 xref: PMID:23092785;   PMID:23095030;   PMID:23183443;   PMID:23216382;   PMID:23273888;   PMID:23274384;   PMID:23275147;   PMID:23303506;   PMID:23314671;   PMID:23340064;   PMID:23389621;   PMID:23445237;   PMID:23526308;   PMID:23556126;   PMID:23565181;   PMID:23589147;   PMID:23640348;   PMID:23653636;   PMID:23740443;   PMID:23798671;   PMID:23843564;   PMID:23877348;   PMID:23922656;   PMID:25214516;   PMID:25339518;   PMID:25565769;   PMID:25586470;   PMID:25641072;   PMID:25835116;   PMID:25867912;   PMID:25932262;   PMID:26028929;   PMID:26043290;   Reaxys:7790802;   Wikipedia:Rifaximin

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  CHEBI ontology 397
    role 397
      biological role 397
        antimicrobial agent 115
          rifaximin 0
Path 2
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  CHEBI ontology 397
    subatomic particle 397
      composite particle 397
        hadron 397
          baryon 397
            nucleon 397
              atomic nucleus 397
                atom 397
                  main group element atom 390
                    p-block element atom 390
                      carbon group element atom 379
                        carbon atom 378
                          organic molecular entity 378
                            organic group 313
                              organic divalent group 312
                                organodiyl group 312
                                  carbonyl group 312
                                    carbonyl compound 312
                                      carboxylic acid 276
                                        carboacyl group 213
                                          univalent carboacyl group 213
                                            carbamoyl group 211
                                              carboxamide 211
                                                lactam 4
                                                  ansamycin 2
                                                    rifamycins 2
                                                      rifaximin 0
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