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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:nosyl group
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Accession:CHEBI:51102 term browser browse the term
Definition:A sulfonyl group having 4-nitrophenyl as the S-substituent.
Synonyms:exact_synonym: (4-nitrophenyl)(dioxido)-lambda(6)-sulfanyl;   (4-nitrophenyl)sulfonyl
 related_synonym: Formula=C6H4NO4S;   Ns group;   SMILES=S(=O)(*)(C1=CC=C(C=C1)[N+](=O)[O-])=O

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19810
    role 19759
      application 19468
        protecting group 0
          nosyl group 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19810
    subatomic particle 19809
      composite particle 19809
        hadron 19809
          baryon 19809
            nucleon 19809
              atomic nucleus 19809
                atom 19809
                  group 19731
                    sulfonyl groups 0
                      nosyl group 0
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