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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 0
    role 0
      biological role 0
        antimicrobial agent 0
          rifaximin 0
Path 2
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  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                atom 0
                  main group element atom 0
                    p-block element atom 0
                      carbon group element atom 0
                        carbon atom 0
                          organic molecular entity 0
                            organic group 0
                              organic divalent group 0
                                organodiyl group 0
                                  carbonyl group 0
                                    carbonyl compound 0
                                      carboxylic acid 0
                                        carboacyl group 0
                                          univalent carboacyl group 0
                                            carbamoyl group 0
                                              carboxamide 0
                                                lactam 0
                                                  ansamycin 0
                                                    rifamycins 0
                                                      rifaximin 0
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