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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:84541 term browser browse the term
Definition:A menaquinol having a side chain composed of nine isoprenoid units.
Synonyms:exact_synonym: 2-methyl-3-[(2E,6E,10E,14E,18E,22E,26E,30E)-3,7,11,15,19,23,27,31,35-nonamethylhexatriaconta-2,6,10,14,18,22,26,30,34-nonaen-1-yl]naphthalene-1,4-diol
 related_synonym: Formula=C56H82O2;   InChI=1S/C56H82O2/c1-42(2)22-14-23-43(3)24-15-25-44(4)26-16-27-45(5)28-17-29-46(6)30-18-31-47(7)32-19-33-48(8)34-20-35-49(9)36-21-37-50(10)40-41-52-51(11)55(57)53-38-12-13-39-54(53)56(52)58/h12-13,22,24,26,28,30,32,34,36,38-40,57-58H,14-21,23,25,27,29,31,33,35,37,41H2,1-11H3/b43-24+,44-26+,45-28+,46-30+,47-32+,48-34+,49-36+,50-40+;   InChIKey=KNWZIPKBOGOFFC-UVZVDVBNSA-N;   MKH2-9;   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\\Cc1c(C)c(O)c2ccccc2c1O;   all-trans-1,4-dihydro-vitamin K2(45)
 xref: MetaCyc:CPD-12126;   Reaxys:3079216

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19821
    role 19769
      chemical role 19345
        donor 18654
          electron donor 2584
            menaquinol-9 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19821
    subatomic particle 19819
      composite particle 19819
        hadron 19819
          baryon 19819
            nucleon 19819
              atomic nucleus 19819
                atom 19819
                  main group element atom 19716
                    p-block element atom 19716
                      carbon group element atom 19640
                        carbon atom 19630
                          organic molecular entity 19630
                            organic molecule 19569
                              organic cyclic compound 19360
                                carbocyclic compound 18314
                                  carbopolycyclic compound 17037
                                    carbobicyclic compound 5820
                                      naphthalenes 3764
                                        hydroxynaphthalene 255
                                          naphthohydroquinone 4
                                            menaquinol 0
                                              menaquinol-9 0
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