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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:84552 term browser browse the term
Definition:A menaquinol whose structure comprises a 2-methylbenzohydroquinone nucleus and a side chain of thirteen isoprenoid units.
Synonyms:exact_synonym: 2-methyl-3-[(2E,6E,10E,14E,18E,22E,26E,30E,34E,38E,42E,46E)-3,7,11,15,19,23,27,31,35,39,43,47,51-tridecamethyldopentaconta-2,6,10,14,18,22,26,30,34,38,42,46,50-tridecaen-1-yl]naphthalene-1,4-diol
 related_synonym: Formula=C76H114O2;   InChI=1S/C76H114O2/c1-58(2)30-18-31-59(3)32-19-33-60(4)34-20-35-61(5)36-21-37-62(6)38-22-39-63(7)40-23-41-64(8)42-24-43-65(9)44-25-45-66(10)46-26-47-67(11)48-27-49-68(12)50-28-51-69(13)52-29-53-70(14)56-57-72-71(15)75(77)73-54-16-17-55-74(73)76(72)78/h16-17,30,32,34,36,38,40,42,44,46,48,50,52,54-56,77-78H,18-29,31,33,35,37,39,41,43,45,47,49,51,53,57H2,1-15H3/b59-32+,60-34+,61-36+,62-38+,63-40+,64-42+,65-44+,66-46+,67-48+,68-50+,69-52+,70-56+;   InChIKey=ZLHYYDGAQJJTJL-HWRCDASFSA-N;   MKH2-13;   SMILES=CC(C)=CCC\\C(C)=C\\CC\\C(C)=C\\CC\\C(C)=C\\CC\\C(C)=C\\CC\\C(C)=C\\CC\\C(C)=C\\CC\\C(C)=C\\CC\\C(C)=C\\CC\\C(C)=C\\CC\\C(C)=C\\CC\\C(C)=C\\CC\\C(C)=C\\Cc1c(C)c(O)c2ccccc2c1O
 xref: MetaCyc:CPD-12130

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  CHEBI ontology 19921
    role 19896
      chemical role 19512
        donor 18914
          electron donor 3037
            menaquinol-13 0
Path 2
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  CHEBI ontology 19921
    subatomic particle 19919
      composite particle 19919
        hadron 19919
          baryon 19919
            nucleon 19919
              atomic nucleus 19919
                atom 19919
                  main group element atom 19867
                    p-block element atom 19867
                      carbon group element atom 19812
                        carbon atom 19807
                          organic molecular entity 19807
                            organic molecule 19764
                              organic cyclic compound 19572
                                carbocyclic compound 18605
                                  carbopolycyclic compound 17191
                                    carbobicyclic compound 5873
                                      naphthalenes 3832
                                        hydroxynaphthalene 257
                                          naphthohydroquinone 4
                                            menaquinol 0
                                              menaquinol-13 0
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