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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:17104 term browser browse the term
Definition:A dibenzazecine alkaloid that is protopine bearing a hydroxy substituent at the 6-position.
Synonyms:exact_synonym: 6-hydroxy-7-methyl-2,3:9,10-bis[methylenebis(oxy)]-7,13a-secoberbin-13a-one
 related_synonym: 10-hydroxyprotopine;   8-hydroxy-7-methyl-6,8,9,16-tetrahydrobis[1,3]benzodioxolo[4,5-c:5',6'-g]azecin-15(7H)-one;   Formula=C20H19NO6;   InChI=1S/C20H19NO6/c1-21-8-14-11(2-3-16-20(14)27-10-24-16)4-15(22)13-7-18-17(25-9-26-18)5-12(13)6-19(21)23/h2-3,5,7,19,23H,4,6,8-10H2,1H3;   InChIKey=QRZCXUNTBXMAPR-UHFFFAOYSA-N;   SMILES=CN1Cc2c(CC(=O)c3cc4OCOc4cc3CC1O)ccc1OCOc21
 alt_id: CHEBI:12220;   CHEBI:20732;   CHEBI:2201
 xref: KEGG:C05190

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  CHEBI ontology 19816
    role 19764
      application 19426
        refrigerant 17439
          ammonia 16959
            organic amino compound 16958
              tertiary amino compound 8643
                6-hydroxyprotopine 0
Path 2
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  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    p-block element atom 19702
                      carbon group element atom 19608
                        carbon atom 19597
                          organic molecular entity 19597
                            organic molecule 19522
                              organic cyclic compound 19320
                                organic heterocyclic compound 18432
                                  organic heteropolycyclic compound 17844
                                    organic heterotricyclic compound 14583
                                      dibenzazecine 2
                                        dibenzazecine alkaloid 2
                                          protopine 2
                                            6-hydroxyprotopine 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.