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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:88427 term browser browse the term
Definition:A benzopyran that has formula C16H22O4.
Synonyms:related_synonym: 2,5,7,8-Tetramethyl-2-(2'-carboxyethyl)-6-hydroxychroman;   3-(6-hydroxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl)propanoic acid;   6-Hydroxy-2,5,7,8-tetramethyl-2-Chromanpropionic acid;   6-Hydroxy-2-(2-carboxylethyl)-2,5,7,8-tetramethylchroman;   6-Hydroxy-2-carboxylethyl-2,5,7,8-tetramethylchroman;   Formula=C16H22O4;   InChI=1S/C16H22O4/c1-9-10(2)15-12(11(3)14(9)19)5-7-16(4,20-15)8-6-13(17)18/h19H,5-8H2,1-4H3,(H,17,18);   InChIKey=AXODOWFEFKOVSH-UHFFFAOYSA-N;   SMILES=O1C(CCC=2C1=C(C(=C(C2C)O)C)C)(CCC(=O)O)C
 xref: CAS:4072-32-6;   HMDB:HMDB0001518;   MetaCyc:CPD-11962;   PMID:11841923;   PMID:12420750;   PMID:8259194

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  CHEBI ontology 916
    chemical entity 916
      atom 901
        nonmetal atom 860
          oxygen atom 777
            oxygen molecular entity 777
              organooxygen compound 476
                oxacycle 263
                  benzopyran 119
                    alpha-CEHC 0
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  CHEBI ontology 916
    subatomic particle 901
      composite particle 901
        hadron 901
          baryon 901
            nucleon 901
              atomic nucleus 901
                atom 901
                  main group element atom 870
                    main group molecular entity 868
                      p-block molecular entity 866
                        carbon group molecular entity 843
                          organic molecular entity 842
                            organic molecule 759
                              organic cyclic compound 664
                                organic heterocyclic compound 372
                                  organic heteropolycyclic compound 262
                                    benzopyran 119
                                      alpha-CEHC 0
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