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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.

Term:contraceptive drug
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Accession:CHEBI:49323 term browser browse the term
Definition:A chemical substance that prevents or reduces the probability of conception.
Synonyms:related_synonym: contraceptive agent;   contraceptive drugs

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Your selection has 3634 annotated objects. The maximum number of objects that can be shown is 2000. The list is too large to display.

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    Path 1
    Term Annotations click to browse term
      CHEBI ontology 19900
        role 19875
          application 19710
            pharmaceutical 19536
              drug 19536
                reproductive control drug 5494
                  contraceptive drug 3634
                    curcumin + 929
                    desogestrel 29
                    drospirenone 10
                    ethynodiol diacetate 1
                    etonogestrel 5
                    female contraceptive drug + 1035
                    levonorgestrel 199
                    medroxyprogesterone + 375
                    megestrol + 27
                    megestrol acetate 21
                    mifepristone 557
                    norgestimate 19
                    progesterone + 2731
                    tergitol NP-9 0
                    triptorelin 8
                    ulipristal acetate 0
    paths to the root